According to info from crypto research service Skew, the exchanges include CME, OKEx, Bakkt, LedgerX, and Deribit. The previous record was on February 14, at $970 million. Deribit represented almost 90% of the new total figure as its own open positions hit $903 million.
Options are derivative contracts and are divided into a call and put options. They allow the buyer to purchase the asset in question, at a price already agreed, and on an agreed date. Call options are for purchases while put options are for sales. Open interest is the number of trading options contracts that are yet to be liquidated.
Bitfinex recently launched a perpetual contract to speculate Bitcoin’s market dominance.