Odaily News As Trump fever fades across markets, Bitcoin options show investors and traders are hedging against a falling market, with traders starting to hedge at $70,000 in the Bitcoin options market. According to data from crypto options exchange Deribit, the open interest, or number of open contracts, for put options with a strike price of $70,000 hit the second-highest level among all contracts expiring on February 28, with a total of $4.9 billion in open interest set to expire on Friday.