TD Ameritrade will probably be offering Bitcoin futures on Tuesday or Wednesday, if they are happy with the functionality of the market. Some other threads about brokers offering Bitcoin futures: "Why cant IB allow shorting of BTC futures with a margin requirement of 500-1000%?" https://www.elitetrader.com/et/thre...with-a-margin-requirement-of-500-1000.315847/ "Bitcoin futures" https://www.elitetrader.com/et/threads/bitcoin-futures.315767/ .
According to the Bloomberg article in the first post of this thread, Ally Invest (a unit of Ally Financial) will be offering Bitcoin futures: https://www.bloomberg.com/news/arti...-up-to-offer-bitcoin-futures-others-are-quiet Interview with Rich Hagen of Ally Financial https://www.investopedia.com/news/ally-invest-bitcoin-futures-are-best-bitcoin-curious/ https://finance.yahoo.com/quotes/ally/view/v1 https://en.wikipedia.org/wiki/Ally_Financial Acquisition of Trade King completed on 1 June 2016 "Ally Financial Completes Acquisition of TradeKing Group" https://media.ally.com/2016-06-01-Ally-Financial-Completes-Acquisition-of-TradeKing-Group .
"TradeStation Announces Plans to Support CME Group, Inc. and Cboe Global Markets, Inc. Bitcoin Futures Trading Immediately Upon Launch" https://globenewswire.com/news-rele...-Futures-Trading-Immediately-Upon-Launch.html https://www.elitetrader.com/et/thre...gainst-btc-futures.315127/page-5#post-4548058 .
In the meantime, there are at least 10,000 financial instruments you actually can trade, assuming you have skills.