Bitcoin Futures start trading on the CME in the next few weeks:
http://www.cmegroup.com/bitcoin
However the largest electronic brokerage in the US considers it unwise:
https://cointelegraph.com/news/cme-clearing-member-to-regula...
http://www.cmegroup.com/bitcoin
However the largest electronic brokerage in the US considers it unwise:
https://cointelegraph.com/news/cme-clearing-member-to-regula...
https://www.interactivebrokers.com/download/11-IB17-1145-tp-... [PDF]
His doomsday scenario is based on the Bitcoin price rising rapidly.
The CME's volatility limits would kick in, preventing shorts buying to cover their positions. This leads to "ruin" for them and the CME, and contagion for the real economy.
He has a good point, since losses on short positions are theoretically infinite, there's no way to put up enough margin for perfect safety.
https://www.bloomberg.com/news/articles/2017-11-15/bitcoin-e...
So it will be interesting to see how the pricing really works.