Introduction
On May 29, 2026, the U.S. Commodity Futures Trading Commission approved the first Bitcoin perpetual futures contract listed on a registered U.S. exchange. The applicant was KalshiEX, LLC. The contract, designated BTCPERP, had been submitted to the CFTC just one day earlier, on May 28, under Commission Regulation 40.3, which requires formal agency approval before a new product goes live.[1] The speed of that approval – less than twenty-four hours – signaled something more than regulatory housekeeping. It announced that a product long confined to offshore crypto venues had arrived on U.S.-regulated soil.
Perpetual futures – also called perpetual swaps or “perps” – are derivative contracts that provide leveraged exposure to an underlying asset without a fixed expiration date. They do not expire, they do not deliver, and they do not require the holder to roll a position from one contract month to the next. Instead, a daily cash-flow mechanism called the funding rate continuously tugs the contract price back toward the spot price of the underlying. That mechanism is simultaneously the product’s most elegant feature and, as incumbent exchange operators have argued, its greatest risk.
This article explains what perpetual futures are, how the funding rate is calculated and what it implies about the economics of the trade, where the instrument currently stands under U.S. law, and why the largest regulated exchanges – CME Group and Intercontinental Exchange – have chosen to oppose rather than embrace it. Attorneys and expert witnesses working in derivatives litigation, regulatory enforcement, and digital asset disputes will find this a working reference for the mechanics, the law, and the current state of play.
I. What Is a Perpetual Futures?
A traditional futures contract fixes two things at inception: the underlying asset and the delivery or cash-settlement date. A trader who wants continuous exposure must roll – that is, close the expiring contract and open the next one – each time an expiry approaches. Rolling costs money (bid-ask spread, commissions, the roll premium or discount embedded in the forward price) and requires attention.
A perpetual futures eliminates expiry entirely. The holder can maintain a leveraged long or short position indefinitely, subject only to margin requirements and the periodic funding payment described in Section II below. From a trader’s perspective, the perpetual contract behaves like a continuously-rolled, leveraged spot position.
The instrument was invented in the cryptocurrency markets. On May 12, 2016, Arthur Hayes and his co-founders at BitMEX announced the world’s first perpetual leveraged swap product: the XBTUSD perpetual, allowing traders to go long or short on Bitcoin versus the U.S. dollar at up to 100x leverage with no expiration date.[2] The XBTUSD perpetual became the most actively traded Bitcoin derivative in the world for the following several years. Binance, Bybit, OKX, and dozens of other offshore venues later adopted the same structure. Today, the combined notional open interest across all global perpetual futures markets is measured in the hundreds of billions of dollars.
The product’s defining feature – and its regulatory complication – is that it has no natural convergence mechanism. Traditional futures converge to spot at delivery. Perpetuals must be forced to converge through an engineered cash-flow mechanism: the funding rate. Without it, the perpetual price could drift indefinitely from the price of the underlying asset, rendering the product economically meaningless as a hedging tool and potentially dangerous as a leveraged speculation.
II. The Funding Rate Mechanism
A. Why It Exists
The funding rate is a periodic cash transfer between long and short position holders in a perpetual contract. Its purpose is to keep the perpetual contract price anchored to the spot price of the underlying asset. When the perpetual trades at a premium to spot (the market is net long and bullish), longs pay shorts. When the perpetual trades at a discount to spot (the market is net short and bearish), shorts pay longs. Over time, this cash-flow incentive discourages the contract price from drifting too far in either direction.[3]
The CFTC Order approving the KalshiEX BTCPERP describes the mechanism in precise regulatory language: the contract “employs a periodic funding mechanism whereby long and short position holders exchange funding payments that are based on the difference between the contract’s mark price and the underlying reference price.”[4] That reference price for BTCPERP is the CF Benchmarks BTC Real-Time Index (BRTI), a regulated spot benchmark.
B. The Four-Step Calculation
The dominant venues (Binance, Bybit, and others) use a materially similar calculation, described here as a four-step process.
Step 1: Premium Index
The Premium Index measures how far the perpetual’s mid-market price has deviated from the spot index. Rather than using the simple mid-price, the major venues use an “impact price” – the average fill price that would be obtained by executing a specified notional amount (the Impact Margin Notional) against the live order book. This prevents the premium calculation from being manipulated by thin quotes near the top of book.[5]
The Binance formula is:
The impact bid and ask prices are calculated from the live order book snapshot at each measurement interval (every five seconds on Binance). This produces a time series of Premium Index values across the funding period.[6]
Step 2: Time-Weighted Average Premium
The venue computes a time-weighted average of the Premium Index series across the entire funding interval. On Binance, the default interval is eight hours, and the weighting is progressive: later readings within the period receive higher weights, giving more influence to the most recent market conditions.[7] Bybit uses an N-hour time-weighted average of per-minute funding rate observations.[8]
Step 3: Interest Rate Component
A fixed interest rate component is added to account for the cost of capital. On Binance, the default interest rate is 0.03% per day, or 0.01% per eight-hour funding interval, reflecting the assumption that holding cash earns a higher return than holding the equivalent in Bitcoin.[9] Bybit uses the same 0.03% daily rate.[10] This component ensures that even in a perfectly balanced market (premium near zero), a small positive funding rate accrues to short holders – compensating them for the implicit financing they provide to leveraged longs.
Step 4: Capped Funding Rate
Combining the average premium and the interest rate component yields the funding rate formula:
In plain terms: as long as the premium index stays between −0.04% and +0.06%, the funding rate collapses to the interest rate (0.01% per eight hours). The clamp prevents the premium component from dragging the total rate too far from its interest-rate anchor. Outside that band, the premium dominates.[11]
A hard floor and cap are then applied. On Binance, for major contracts, the floor is −0.75% per funding interval and the cap is +0.75%, each equal to 0.75 times the maintenance margin ratio at maximum leverage. In extreme market conditions, Binance may tighten the funding interval to one hour (from eight), effectively increasing the frequency of settlement.[12]
C. Settlement and Payment
Funding payments are settled at each funding interval (typically 00:00, 08:00, and 16:00 UTC). The payment amount is:
A long holding $1,000,000 notional when the funding rate is +0.05% pays $500 to the short side. Binance charges no fee on these transfers – the payment flows directly between counterparties.[1] Importantly, a trader who has closed their position before the settlement timestamp pays nothing. The funding obligation exists only at the moment of settlement.
III. The Implicit Interest Rate and Arbitrage
A. Annualizing the Funding Rate
Because the funding rate is expressed per funding interval, its economic significance is best understood by annualizing it. With three settlements per day and 365 days per year, the implied annual rate is:
A funding rate of 0.01% per eight-hour interval – the default interest component – annualizes to roughly 11%. A rate of 0.05% – already in the top of the normal range – annualizes to approximately 55%. Rates at or near the 0.75% cap, while rare, imply annualized returns exceeding 800%. When Bitcoin is in a strong bull market and perpetual futures trade at a sustained premium to spot, the funding rate will remain elevated for extended periods, sometimes for weeks.
B. Cash-and-Carry Arbitrage
A positive funding rate creates a textbook arbitrage opportunity. An arbitrageur can:
- borrow dollars at the prevailing rate;
- buy the underlying asset (e.g., Bitcoin) in the spot market;
- sell (short) the perpetual futures contract for the same notional; and
- collect the funding payment at each settlement, since the short receives payment when the rate is positive.
This is the cash-and-carry trade. The position is market-neutral: any gain in the spot position is offset by a loss on the short futures, and vice versa. The arbitrageur’s net return is (approximately) the funding rate minus the borrowing cost. When the funding rate substantially exceeds the cost of financing, the trade is profitable.
Arbitrage capital flows into this trade until the premium narrows and the funding rate falls back toward its interest-rate floor. In liquid markets with abundant arbitrage capacity, the funding rate rarely remains far above 0.01% per interval for long. In illiquid or strongly trending markets, the premium can persist.
C. Reverse Arbitrage
When the funding rate is negative – the perpetual trades at a discount to spot, meaning the market is net short – the direction of the cash flow reverses. Longs receive payment from shorts. The reverse arbitrage involves selling spot, going long the perpetual, and collecting the funding. This trade is less common because shorting spot cryptocurrency often requires borrowing the asset, which may be expensive or unavailable.
D. The Arbitrage Band
In practice, both the cash-and-carry and reverse trades carry frictions: exchange fees, bid-ask spread on spot and futures, blockchain transfer costs, borrowing costs, margin requirements, and the risk that the funding rate changes before the next settlement. These frictions define an arbitrage band. Within the band, the funding rate can persist without triggering rational arbitrage. Outside it, pressure from arbitrageurs pushes the funding rate back toward the band boundary.
The width of the arbitrage band is narrower for institutional participants with low borrowing costs and deep connectivity to multiple venues, and wider for retail traders subject to higher fees and limited borrowing capacity. The existence of this band is why the funding rate on offshore venues regularly runs at 0.01% to 0.05% per interval during sustained bull markets rather than collapsing to zero.
E. The historical implied rate
CoinGlass provides a historical funding rate[1], calculated over different period buckets. The 30 minutes is interesting – the rate seems negative when the asset goes up, and positive when the assets go down, indicating that “the cash is pulling the future”, aka the future follows the cash movements and does not drive it.
Which would make sense when we compare the volumes of the asset classes – the cash being much larger than the derivatives:
On a longer calculation period (8 hours), this phenomenon seems to have disappeared. The basis is positive, typically a bip or less, equivalent to ~11%/year, aka a relatively rich repo.
Interestingly, the repo seems to vary from one exchange to another, although it may be due to the lack of volume (time-scale expanded for clarity):
Not all futures/crypto behave the same, and there is a disparity of rates, showing significant arbitrage opportunities.
IV. Jurisdictional Landscape
A. The Offshore Status Quo
Before May 2026, all perpetual futures trading accessible to significant volume occurred on offshore, unregulated, or lightly regulated platforms. BitMEX (registered in Seychelles), Binance (registered in Cayman Islands), Bybit (registered in Dubai), and OKX (registered in Cayman Islands) collectively account for the overwhelming majority of global perpetual futures open interest.
These venues operate outside the U.S. CFTC’s direct regulatory perimeter. They do not maintain a central counterparty (CCP) to backstop losses. Instead, they use auto-liquidation engines and insurance funds. When a position’s mark-to-market loss consumes its margin, the venue liquidates the position automatically, often at market price. If the liquidation generates a loss larger than the position margin, the insurance fund absorbs the shortfall. If the fund is exhausted, the loss is socialized across profitable traders through a mechanism called auto-deleveraging (ADL).
This structure works tolerably in normal market conditions but has proved fragile in sharp dislocations. Several offshore venues have experienced significant insurance fund depletion events, and ADL events have been triggered in volatile markets, effectively transferring losses from insolvent traders to profitable ones without their consent.
B. The CFTC Approval of KalshiEX BTCPERP
KalshiEX, LLC is a CFTC-registered designated contract market (DCM). On May 28, 2026, KalshiEX submitted the BTCPERP contract to the CFTC for formal approval under Commission Regulation 40.3.[15] The CFTC granted approval the following day, May 29.[16]
According to the CFTC Order, the BTCPERP contract has the following key specifications:[17]
- Contract size: 1/10,000 of one Bitcoin (0.0001 BTC), permitting small-lot retail access
- Underlying reference price: CF Benchmarks Bitcoin Real-Time Index (BRTI), a regulated spot benchmark
- Settlement: cash-settled, with no physical delivery of Bitcoin
- Trading hours: 24 hours per day, seven days per week
- Expiration: none – the contract is perpetual
- Funding mechanism: periodic payments based on the difference between the contract’s mark price and the BRTI reference price
The CFTC reviewed the contract against its DCM core principles, which require among other things that the contract be not susceptible to manipulation, that it serve a legitimate price discovery or risk management function, and that the exchange maintain adequate financial resources. The Order’s approval of the funding mechanism as a core contractual feature is significant: it establishes that the CFTC views perpetual futures as a permissible contract design under the Commodity Exchange Act[18].
C. Classification: Futures or Swap?
The legal classification of a perpetual contract is not obvious. Perpetual futures share features with both futures contracts (exchange listing, margined settlement, leveraged exposure) and swaps (no fixed expiration, periodic funding payments that resemble swap cash flows). The distinction matters because different CEA provisions apply to each: exchange-listed futures are subject to DCM rules; swaps are subject to swap dealer registration, margin, reporting, and business conduct standards under Title VII of the Dodd-Frank Act.
The CFTC’s approval of BTCPERP as a “futures contract” on a registered DCM resolves this question for the KalshiEX product: the CFTC has treated it as a futures contract. Whether offshore perpetuals would be classified as futures or swaps for CEA enforcement purposes, if brought within U.S. jurisdiction, remains an open legal question that has not been authoritatively resolved.[19]
V. The Asset Class in Context
Perpetual futures are now the dominant derivative structure in cryptocurrency markets. While traditional quarterly futures and options exist across the major crypto venues, perpetuals typically account for a majority of total derivatives volume on any given day, driven by their simplicity (no roll) and the ability to trade 24/7 with leverage.
On the decentralized exchange (DEX) side, Hyperliquid – a purpose-built blockchain for perpetual futures trading – emerged as the leading decentralized venue. By 2026, Hyperliquid had captured approximately 7% to 8% of aggregate perpetual futures open interest measured across all venues (centralized and decentralized combined), making it the largest DEX for perps by a substantial margin.[20] Despite its growth, that market share figure underscores the continued dominance of large centralized offshore venues such as Binance, Bybit, and OKX, which together account for the large majority of global perpetual open interest.
The aggregate notional open interest across all perpetual futures markets fluctuates with market conditions but has consistently been measured in the hundreds of billions of dollars during bull markets. The product has expanded beyond Bitcoin to encompass Ether, Solana, and dozens of other digital assets, as well as real-world asset perpetuals tracking gold, silver, oil, and equity indices – a development that raises additional regulatory and classification questions not yet addressed by the CFTC.
VI. Incumbent Exchange Opposition
A. CME and ICE: No Perpetuals Offered
Neither CME Group nor Intercontinental Exchange (ICE, parent of NYSE) currently offers a perpetual futures contract. Both operate regulated DCMs with established cryptocurrency futures and options products (CME’s Bitcoin and Ether futures; ICE’s Bakkt platform). Neither has moved to list a perpetual.
B. Terry Duffy’s "Disaster Waiting to Happen" Warning
CME Group CEO Terry Duffy offered the most publicly prominent critique on June 4, 2026, at the Piper Sandler Global Exchange and Fintech Conference. Speaking days after the CFTC’s approval of the KalshiEX BTCPERP, Duffy stated that U.S. perpetual futures contracts were a “disaster waiting to happen,” warning that the CFTC was creating systemic risk by allowing U.S. investors access to the instrument.[21]
Duffy raised several specific concerns:[22]
- Leverage and capital erosion: leverage of up to 50x can wipe out retail capital quickly in sharp market moves.
- Auto-liquidation vs. CCP clearing: offshore perpetuals use auto-liquidation, which transfers losses automatically without the counterparty protections that a CFTC-regulated CCP provides.
- Retail complexity: many retail users do not understand how the funding rate erodes position value over time when the market is trending against them.
- Market function: Duffy argued that excessive speculation “supplants” legitimate price discovery, which does not serve the public interest.
He also noted that CME’s institutional client base – which accounts for 85% to 90% of its volume – has little use for perpetual contracts, which are primarily a retail product. This comment reflects a structural divide: perpetuals were designed for continuous, leveraged retail speculation, not for the quarterly hedging and risk-management purposes that institutional traders typically pursue with exchange-listed futures.[23]
It is worth noting, in fairness, that CME and ICE are not indifferent to investor protection on their own products. Both exchanges operate under CFTC oversight that requires rigorous, real-time collateral monitoring. CME Clearing and ICE Clear U.S. collect and disburse variation margin continuously throughout the trading day, call for intraday margin when positions breach thresholds, and hold dedicated default funds that are stress-tested against the simultaneous failure of their largest clearing members. Duffy’s critique of auto-liquidation models is grounded in the contrast with this framework – a contrast that is real and significant.
That said, Duffy’s public posture cannot be fully separated from the competitive stakes involved. A perpetual contract is structurally designed to eliminate the one feature that generates the most reliable recurring revenue for established futures exchanges: the roll. In a conventional quarterly futures market, a trader who wants continuous exposure past the next expiry must close the expiring contract and open the next – paying bid-ask spread twice, plus the roll premium embedded in the forward curve. CME collects exchange fees on every leg of every roll, across hundreds of thousands of contracts per quarter, in Bitcoin, equity indices, interest rates, and energy. Perpetuals abolish this cycle entirely. A position can be held for years with no mandatory rollover, no contribution to roll-related exchange fees, and no need to navigate the spread between contract months. The structural threat to the quarterly contract business model is therefore not incidental to perpetuals – it is the point. An instrument purpose-built to eliminate expiry is an instrument purpose-built to cannibalize roll revenue. Whether Duffy’s warnings are driven primarily by systemic-risk concern or by that revenue reality is a question only CME can answer honestly.
C. CCP Clearing: The Protective Framework
Duffy’s concern about auto-liquidation versus CCP clearing is not merely rhetorical. Under U.S. law, exchange-listed futures on a CFTC-registered DCM must be cleared through a registered derivatives clearing organization (DCO). The DCO interposes itself as buyer to every seller and seller to every buyer. If a clearing member defaults, the DCO’s resources (member-contributed default fund, DCO equity, assessment rights) cover the shortfall, and other customers are protected.
On offshore venues, there is no DCO. The insurance fund is the only backstop, and it is funded solely from liquidation revenues and exchange contributions. Its size is disclosed by the exchange voluntarily and is not subject to regulatory capital requirements. When it is exhausted, the exchange’s ADL mechanism forces profitable traders to take the other side of insolvent positions at administratively set prices, a process that has no counterpart in U.S.-regulated derivatives markets.
KalshiEX’s BTCPERP, as a DCM-listed product, is subject to the CFTC’s clearing requirements. Whether it will be cleared through a registered DCO, and how clearing of a no-expiration instrument with daily funding settlements will be structured, will be a key development to watch as KalshiEX approaches its planned launch.
The importance of DCO clearing for a perpetual contract is, if anything, greater than for a standard futures contract. A conventional futures position has a defined life – it settles at expiry, and the clearing cycle ends. A perpetual position is open-ended: the clearing organization must continuously monitor margin sufficiency, settle funding payments at each interval, and stand ready to absorb defaults at any point across an indefinite horizon. Bitnomial Clearinghouse, LLC – a CFTC-registered DCO headquartered in Chicago – has already developed infrastructure to support this model, operating an integrated exchange and clearinghouse for digital asset perpetuals. Its registered model, in which the DCM and DCO are under common regulatory oversight, represents one template for how perpetuals can be cleared within the U.S. framework. As additional DCMs move to list perpetuals, the design of the clearing arrangement – margin methodology, settlement timing, default fund sizing – will be the central risk management question.[24]
VII. Litigation Implications
For attorneys and expert witnesses, perpetual futures present a distinctive set of analytical challenges that are unlike those arising from traditional exchange-listed futures or over-the-counter swaps.
A. Classification Disputes
As noted in Section IV, the futures/swap classification question is not fully settled for offshore perpetuals. Disputes over classification could arise in anti-fraud enforcement actions (where the CEA’s jurisdiction over futures and swaps differs in important respects), in private litigation over whether a platform was required to register as a swap dealer or DCM, or in bankruptcy proceedings involving offshore exchange failures. An expert witness in such cases must be prepared to analyze the economic and structural features of a specific perpetual contract against the applicable regulatory standards.
B. Funding Rate Disputes
The funding rate calculation is complex, involves intermediate discretionary parameters (e.g., the Impact Margin Notional, the clamp width, the cap/floor percentages), and is updated continuously. Disputes can arise over:
- Whether a venue correctly calculated the premium index and funding rate in accordance with its published specifications
- Whether a venue improperly adjusted funding parameters during a market stress event in a way that harmed certain traders
- Whether a trader was adequately disclosed the funding rate’s economic effect on a leveraged position held for extended periods
- Whether funding payments were correctly transferred between counterparties in a multi-venue arbitrage structure
An expert in this area must be capable of reconstructing the funding rate calculation from raw order book data and timestamp records, and of comparing the venue’s actual computation against its stated methodology.
C. Liquidation and Margin Disputes
Auto-liquidation on offshore venues is governed solely by the venue’s internal rules, which may be amended unilaterally and are not subject to external regulatory review. Common litigation issues include whether a liquidation was triggered at the correct mark price (which venues calculate differently from the last traded price), whether the insurance fund was applied in the correct sequence, and whether ADL events were properly disclosed and executed.
D. CFTC Enforcement Jurisdiction
The CFTC has asserted anti-fraud and anti-manipulation jurisdiction over commodity derivatives, including Bitcoin perpetuals, even when traded on offshore platforms by U.S. persons. Several enforcement actions have been brought against offshore venues and their principals for conduct relating to perpetual futures positions. An expert witness may be called upon to analyze the economics of an alleged manipulation, including whether funding rate manipulation was possible given the structure of the premium index calculation and the depth of the relevant order books.
VIII. Beyond Cryptocurrency: Perpetuals on Traditional Assets
What began as a Bitcoin trading mechanism in 2016 is now being applied to precious metals, energy, equity indices, and government bonds. This expansion transforms perpetual futures from a crypto-specific instrument into a structural challenger to the full breadth of listed derivatives – with consequences for every exchange that earns revenue from quarterly contract expiries.
A. What Already Exists
The offshore markets moved first. Hyperliquid lists perpetual futures on gold, silver, platinum, crude oil, natural gas, the S&P 500, the Nasdaq-100, the Dow Jones Industrial Average, U.S. Treasury bonds (10-year and 30-year), and a growing range of other real-world assets. Trading volume in real-world asset perpetuals on Hyperliquid surged by 162% in January 2026 alone, from $11.8 billion to $31.0 billion – a rate of growth that captures how quickly demand for non-crypto perpetuals is developing.[25]
On May 6, 2026 – three weeks before the CFTC approved the KalshiEX BTCPERP – Coinbase International Exchange launched GOLD-PERP and SILVER-PERP perpetual futures for eligible non-U.S. traders. GOLD-PERP references one troy ounce of spot gold and carries up to 25x leverage. SILVER-PERP references one ounce of spot silver with up to 20x leverage. Both are linear perpetuals settled in USDC, with no expiry date and no roll. Coinbase has stated it is working with the CFTC to bring these products to U.S.-eligible participants through Coinbase Derivatives Exchange.[26]
Within the regulated perimeter, CBOE launched “Continuous Futures” contracts in December 2025 – traditional futures with a structure engineered to mimic the economic behavior of a perpetual while remaining within the existing quarterly-contract regulatory framework. The product is an incumbent’s response to the perpetual’s appeal: a sign that even established exchanges recognize the demand for the no-roll model, even if they are not yet willing – or legally permitted – to list true perpetuals.[27]
B. The CFTC Policy Statement as Gatekeeper
The CFTC did not leave the path to traditional-asset perpetuals open. On the same day it approved the KalshiEX BTCPERP, the Commission issued a Policy Statement explicitly requiring that any perpetual contract referencing an asset class other than Bitcoin – including agricultural products, precious metals, equity securities, and narrow-based security indexes – must be submitted for formal CFTC approval under Regulation 40.3 before listing. Self-certification, which is the standard path for new futures products, is not available for perpetuals.[1]
The Policy Statement identifies meaningful differences in risk across asset classes. Agricultural perpetuals are described as “particularly ill-suited” to the perpetual structure, because their underlying spot markets are seasonal, fragmented, and not continuously observable in the way required for a reliable funding rate. Precious metals and energy are more plausible candidates: gold and silver trade in deep, around-the-clock spot markets with robust reference prices. Equity index perpetuals would require joint CFTC/SEC review, given the securities-law implications of financial instruments that track equity indices.
C. Consequences for Traditional Futures Exchanges
The implications for established exchanges are not confined to their cryptocurrency product lines. CME’s gold and silver futures, crude oil and natural gas contracts, E-mini S&P 500 futures, and Treasury bond futures are among its highest-volume and most profitable products. A regulated perpetual equivalent for each – with no roll, 24/7 trading, and potentially lower minimum contract sizes – would not merely compete at the margin. It would target the structural feature on which CME’s recurring revenue depends: the forced rollover at expiry.
D. Consequences for Traditional Options Exchanges
The relationship between options markets and a perpetual underlying is more nuanced than a simple displacement.
- Equity options on individual stocks are physically settled: exercise delivers or receives shares, and that structure has no dependency on a futures expiry cycle.
- Index options are different: SPX options, for example, cash-settle against the close of the index, while the futures expires against a special opening quotation on expiry morning. As a result, they do not expire at the same time, a fact that exists for other indices (Dax for instance).
- The options product most directly affected by perpetuals is the options-on-futures category – contracts whose exercise delivers a futures position.
If Perpetuals replace traditional futures, then on indices and options on futures will have to evolve as well. We can imagine these options being supplanted by options-on-perpetuals. If they have a physical settlement, those options become as easy as stock options, with the benefit of a low capital outlay at exercise.
This path will require new product design, new margin architecture, and new documentation standards that do not yet exist in U.S.-regulated markets.
The speed at which the offshore perpetual market has expanded – from a single Bitcoin swap in 2016 to gold, silver, oil, equities, and government bonds a decade later – demonstrates that the demand for a no-roll, 24/7 derivative instrument is not an artifact of cryptocurrency speculation. It is a broadly applicable preference. If U.S. regulators continue to approve perpetuals on traditional asset classes, and if the regulatory framework stabilizes around the model established by the KalshiEX approval and the accompanying Policy Statement, the traditional futures exchanges face not a niche competitive threat but a structural one.
Bottom Line
Perpetual futures began as a cryptocurrency exchange invention in 2016. A decade later, they have become the dominant structure in digital asset derivatives markets globally and have now crossed into U.S.-regulated territory for the first time. The instrument’s defining feature – the funding rate mechanism – is an engineered substitute for the expiry-driven convergence of traditional futures, and it creates a continuous, calculable implied interest rate that forms the basis for market-neutral arbitrage strategies.
The CFTC’s approval of the KalshiEX BTCPERP is not the end of the regulatory story; it is the beginning. Questions of classification, clearing requirements, margin adequacy, disclosure obligations, and the treatment of offshore platforms under U.S. law remain substantially open. Incumbent exchanges, led by CME Group, have signaled strong opposition on systemic-risk grounds. But the outcome of that dispute will shape far more than the structure of U.S. cryptocurrency derivatives markets. It will shape the future of the traditional futures exchanges themselves.
CME Group, ICE, and CBOE built their businesses around a contract structure that has been the foundation of listed derivatives for more than a century: a fixed expiry date, a mandatory settlement, and a quarterly roll cycle. Perpetuals are an existential challenge to that model – not because they are obviously better in every respect, but because they eliminate the one feature that has made quarterly futures indispensable: the forced return to the exchange at expiry. If regulators allow perpetuals to expand from Bitcoin to gold, silver, oil, and equity indices, the traditional exchanges face the prospect of competing in every major asset class against a product that is structurally designed to replace their core offering. The alarm in Duffy’s remarks may reflect genuine systemic-risk concern. But it almost certainly also reflects an industry that has reason to be frightened.
For attorneys and expert witnesses, this is a product with enough structural complexity to generate substantial litigation: over how the funding rate is computed and disclosed, over how liquidations are triggered and processed, over how offshore venues’ rules intersect with U.S. law, and over how new U.S.-regulated perpetuals on traditional assets will be cleared and margined. Understanding the mechanics – and the competitive stakes – is the prerequisite to all of it.
Footnotes
[1] U.S. Commodity Futures Trading Commission, Order for Approval of Contract Market Application of KalshiEX, LLC, May 29, 2026 (primary regulatory source for the BTCPERP contract definition and funding mechanism). https://www.cftc.gov/filings/documents/2026/orgdcmkexbtxperporder26601.pdf
[2] Arthur Hayes, “Announcing the Launch of the Perpetual XBTUSD Leveraged Swap,” BitMEX Blog, May 12, 2016. https://www.bitmex.com/blog/announcing-the-launch-of-the-perpetual-xbtusd-leveraged-swap
[3] “Introduction to Binance Futures Funding Rates,” Binance Support FAQ (originally published Sept. 9, 2019; updated Mar. 6, 2026). https://www.binance.com/en/support/faq/detail/360033525031
[4] “Introduction to Binance Futures Funding Rates,” Binance Support FAQ (updated Mar. 6, 2026). https://www.binance.com/en/support/faq/detail/360033525031
[5] “Introduction to Binance Futures Funding Rates,” Binance Support FAQ (updated Mar. 6, 2026). https://www.binance.com/en/support/faq/detail/360033525031
[6] “Introduction to Binance Futures Funding Rates,” Binance Support FAQ (updated Mar. 6, 2026). https://www.binance.com/en/support/faq/detail/360033525031
[7] “Introduction to Funding Rate,” Bybit Help Center. https://www.bybit.com/en/help-center/article/Introduction-to-Funding-Rate
[8] “Introduction to Funding Rate,” Bybit Help Center. https://www.bybit.com/en/help-center/article/Introduction-to-Funding-Rate
[9] “Introduction to Funding Rate,” Bybit Help Center. https://www.bybit.com/en/help-center/article/Introduction-to-Funding-Rate
[10] U.S. Commodity Futures Trading Commission, Order for Approval of Contract Market Application of KalshiEX, LLC, May 29, 2026, pp. 4–7 (funding mechanism specification). https://www.cftc.gov/filings/documents/2026/orgdcmkexbtxperporder26601.pdf
[11] “Introduction to Binance Futures Funding Rates,” Binance Support FAQ (updated Mar. 6, 2026). https://www.binance.com/en/support/faq/detail/360033525031
[12] “Introduction to Funding Rate,” Bybit Help Center. https://www.bybit.com/en/help-center/article/Introduction-to-Funding-Rate
[13] U.S. Commodity Futures Trading Commission, Order for Approval of Contract Market Application of KalshiEX, LLC, May 29, 2026. https://www.cftc.gov/filings/documents/2026/orgdcmkexbtxperporder26601.pdf
[14] Historical & Real-Time BTC Perpetual Funding Rates Across Major Exchanges, CoinGlass. https://www.coinglass.com/FundingRate/BTC
[15] Nikhilesh De, “U.S. CFTC opens crypto ‘perp’ door with first approval at regulated firm,” CoinDesk, May 28, 2026. https://www.coindesk.com/policy/2026/05/28/u-s-cftc-opens-crypto-perp-door-with-approval-of-first-regulated-firm
[16] CFTC Press Release No. 9240-26, “CFTC Approves BTCPERP Contract Submitted by KalshiEX, LLC,” May 29, 2026. https://www.cftc.gov/PressRoom/PressReleases/9240-26
[17] U.S. Commodity Futures Trading Commission, Order for Approval of Contract Market Application of KalshiEX, LLC, May 29, 2026, pp. 2–3 (contract specifications and CF Benchmarks BRTI reference price). https://www.cftc.gov/filings/documents/2026/orgdcmkexbtxperporder26601.pdf
[18] Katten Muchin Rosenman LLP, “Perpetual Futures Come Onshore: The CFTC’s New Regulatory Framework,” June 2026. https://katten.com/perpetual-futures-come-onshore-the-cftcs-new-regulatory-framework
[19] Lowenstein Sandler LLP, “CFTC Approves U.S. Bitcoin Perpetual Futures Contract and Issues Related Guidance,” June 2026. https://www.lowenstein.com/news-insights/publications/client-alerts/fctm-breaking-news-cftc-approves-us-bitcoin-perpetual-futures-contract-and-issues-related-guidance-fctm
[20] “Hyperliquid hits record 7% share of aggregate perp open interest,” CryptoBriefing, 2026. https://cryptobriefing.com/hyperliquid-record-perp-open-interest-share/
[21] “CME CEO Duffy says new perpetual futures could be ‘disaster waiting to happen,’” The Block, June 4, 2026. https://www.theblock.co/post/403795/cme-ceo-duffy-says-new-perpetual-futures-could-be-disaster-waiting-to-happen
[22] “CME Group’s CEO, Duffy, warns of systemic risk from new crypto ‘perps,’” Reuters / Investing.com, June 4, 2026. https://www.investing.com/news/stock-market-news/cme-groups-ceo-duffy-warns-of-systemic-risk-from-new-crypto-perps-4727658
[23] “CME CEO Duffy says new perpetual futures could be ‘disaster waiting to happen,’” The Block, June 4, 2026. See also: Reuters / Investing.com, June 4, 2026. https://www.theblock.co/post/403795/cme-ceo-duffy-says-new-perpetual-futures-could-be-disaster-waiting-to-happen | https://www.investing.com/news/stock-market-news/cme-groups-ceo-duffy-warns-of-systemic-risk-from-new-crypto-perps-4727658
[24] Bitnomial Clearinghouse, LLC, CFTC-registered derivatives clearing organization authorized to clear digital asset derivatives. https://bitnomial.com/clearinghouse
[25] “Equity and Commodity Perpetuals,” Crypto.com Research, January 2026 (reporting 162% volume growth in RWA perpetuals on Hyperliquid in January 2026, from $11.8 billion to $31.0 billion). https://crypto.com/us/research/equity-commodity-perps-jan-2026
[26] “Coinbase launches GOLD-PERP and SILVER-PERP futures offering 24/7/365 metals trading and price discovery with 25x leverage,” Kitco News, May 7, 2026. https://www.kitco.com/news/article/2026-05-07/coinbase-launches-gold-perp-and-silver-perp-futures-offering-247365-metals
[27] U.S. Commodity Futures Trading Commission, Policy Statement Concerning the Listing of Perpetual Contracts, May 29, 2026. https://www.cftc.gov/media/14066/PerpetualContractsPolicyStatement052926/download
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