Expert witness services related to financial markets 

Navesink International offers expert witness services for topics related to the financial markets, including

→ Equities, fixed income, commodities, cryptocurrencies

→ Trading, options & futures, complex securities

Quantitative and fundamental analysis, portfolio constructions, investment risks

→ Hedge funds, equity finance, prime brokerage

Market manipulation, trading losses, tax arbitrage

We have both affiliated experts and a large network of experts able to cover a swath of topics and cases. We have a proven capacity to find uniquely qualified talents by drawing upon our industry network, rich of many thousands of experienced industry professionals.

For instance, we sourced expertise for cases centering on

Standards of custody agreements for a hedge fund trading tax liens,

Cost of capital and RWA calculations associated with stock loans,

Transaction cost analysis for cryptocurrency execution venues.

Gontran de Quillacq, the Managing Partner of Navesink International, is both a trading floor veteran and an expert witness / legal consultant.

He is a recognized authority in equity and index options, VIX, futures, swaps, trading, derivatives, structured products, complex securities, portfolio management, mathematical finance, quantitative investments, and strategy research in the wider segment of alternative investments and hedge funds.

He has supported securities lawsuits and arbitrations involving losses, risks, frauds, manipulations, and wrongful uses of derivatives (tax trading).

This 3 minute video explains what is an expert witness and why Navesink International is unique and uniquely qualified for options & futures, trading, derivatives, complex securities:

Click here to reserve your call/Zoom to find out more about our litigation support and expert witness service and how we can help you, to confidentially discuss your case or to find out more about Navesink International.  

Navesink International is retained by the most prominent attorneys and law firms for litigation support and expert witness services for both plaintiffs and defendants. We provide written expert reports, depositions and testimonies for lawsuits and arbitrations.

Our partners include Ankura, Barrington Financial Consulting Group, The Bates Group, Global Economics Group, Moskalev Consulting and SEDA Experts, allowing Navesink International to handle the largest and most technical cases over a long period of time.

The pros and cons of crypto markets (vs. regulated markets)

There are structural issues in both the crypto and regulated worlds. But how deep and how frequent are they? Here is a review of Cryptos’ pros and cons.


The dark web’s regulator

The Cybercriminal underground community has a regulating authority!
It uses disciplinary procedures to reduce the risk for the overall community.


The hidden costs of the new Bitcoin ETF

Heavy demand for the first bitcoin ETF, which was listed yesterday.
But be wary of hidden costs. BITO is an expensive ETF to carry.


The world’s largest Ponzi is bursting – the Evergrande default

Evergrande, China’s second largest real estate, will default on bond payments in the coming days. The company, bloated with $300 bn of debt, is typical of the $62 trillion Chinese real estate sector.
Evergrande’ s default may bring the sector and the Chinese economy down with it.


A Fed Cryptocurrency?

A few interesting comments from Fed officials about the likelihood of a US CBDC (a Central Bank Digital Currency would be fungible into our daily US dollar).

Pandora papers – Panama papers on steroids

“Pandora papers”. The name will make thousands of influential people shake in their boots. The new trove of leaked private financial records is the largest ever. It throws light on the world of hidden offshore accounts. Again.


SEC charging option traders for arbing the maker-taker model

Option traders were charged by the SEC for ‘painting the tape’ on meme stock options after arbitraging exchanges on their Maker-Taker model. Explanations.


How about using options for your next insider trades?

Somebody gave you an insider tip and you want to use options? Think again.
The SEC sees you coming. Good luck justifying yourself to a jury. The stick will hurt.

Stefan He Qin

Cryptocrook: 7½ years of jail. More like him to come.

You remember our cryptocrook? Quant WizKid, market-neutral hedge fund, Cryptocurrency arbitrage great returns, $90m AUM… Except that it was a Ponzi.
His sentence just came out: 7½ years of jail. Here are the explanation & the context.

Why is Goldman getting into BNPL?

Goldman is paying $2.24 bn in stock to acquire GreenSky, another Buy-Now-Pay-Later provider, at a 50% premium.
Why pay such a premium?

Pin It on Pinterest