A lawsuit filed by the bankruptcy estate of Terraform Labs against market maker Jane Street has reignited a fierce debate over Bitcoin ETF structure and price formation. While the suit alleges insider trading, the core dispute revolves around whether regulatory exemptions in the ETF framework create a grey zone that affects price discovery.
Bitwise Advisor: 'Grey Window' More Disturbing Than Conspiracy
Jeff Park, advisor at Bitwise, argued publicly that any alleged price suppression is not a coordinated effort but a byproduct of the regulatory architecture. He described it as more unsettling than the conspiracy theory itself. The exemptions granted under Regulation SHO to firms like Jane Street, JPMorgan, and Goldman Sachs allow them to bypass the “locate before shorting” requirement when making markets in ETFs. Park called this a regulatory grey window — ostensibly designed to keep ETFs functioning but effectively creating unmatched-duration regulatory arbitrage.
ETF Arbitrage: Where Spot Demand Breaks Down
The controversy zeroes in on Bitcoin ETF arbitrage mechanics. When an ETF trades at a discount, arbitrageurs normally buy the ETF and sell the underlying asset to close the gap. However, in Bitcoin ETF structures, authorized participants (APs) act as the primary arbitrage buyers. If the AP chooses not to purchase spot Bitcoin, the pricing gap can persist, and the natural mechanism driving spot demand fails to function. Park stressed that no AP intentionally suppresses Bitcoin’s price, but the AP structure itself can compromise the integrity of price discovery.
Industry Heavyweights Push Back on Sustained Suppression
Dave Weisberger, Co-CEO of CoinRoutes, challenged the notion of long-term price suppression, noting that futures contracts consistently converge with spot prices at expiration, limiting persistent distortion. Keone Hon, CEO of Monad, questioned the theory's underlying assumptions, pointing out that hedging short ETF positions with long futures forces another party into a short futures position, which is typically hedged with a long spot position — creating a self-balancing loop. Both argued that any temporary pricing anomalies are short-lived.
The lawsuit has forced a fresh examination of how regulatory carve-outs designed for ETF market making interact with the spot Bitcoin market. While opinions diverge on the scale and duration of price impact, the discussion underscores an unavoidable question for regulators and market participants alike.

