About us

MIAXdx is a digital currency futures and options exchange and clearinghouse regulated by the US Commodity Futures Trading Commission (CFTC).‍
MIAXdx is available to both retail and institutional investors and offers physical settlement of all contracts, block trading and algorithmic trading opportunities for institutional investors, and direct access for all traders. Since launching in 2017, MIAXdx has cleared over 10 million options and swaps contracts.

MIAXdx pioneered the bitcoin mini contracts in the US. Our mini contracts have an underlying notional of 0.01 BTC and our deci contracts have an underlying of 0.10 ETH, enabling granular trading and ensuring market scalability as bitcoin prices trend upwards.


MIAXdx holds the following CFTC registrations:

- Designated Contract Market (DCM)
- Derivatives Clearing Organization (DCO)
- Swap Execution Facility (SEF)

Trading Hours

MIAXdx exchange is open daily from 9:30 am ET open to 4:00 p.m. ET close, excluding holidays and weekends, unless otherwise designated by the Exchange. The Exchange is closed daily between 4:00 p.m. ET and 9:30 am ET, and on all Saturdays, Sundays and Exchange holidays, as defined on the Exchange holiday schedule here.