Purpose Investments' ETF will be the first in the world to invest directly in physically settled Bitcoin.
US SEFs have between 20% and 40% of European derivatives trading.
MEMX said the the lawsuits filed by incumbent exchanges to block market data reform are disappointing.
The UK has granted equivalence to the EU in some areas but the EU has not done likewise.
Topics include global market access, harmonization, innovation and sustainability.
The mandatory buy-in provisions will adversely affect liquidity, especially for less-liquid securities.
Sprecher said current market structure paralyses the industry and stifles innovation.
New York firms would execute and process trades elsewhere to find the lowest costs for their clients.
The UK government has agreed equivalence with Switzerland.
