Bitcoin and Ethereum options with a combined notional value of $2.09 billion are set to expire at 8:00 a.m. UTC today on crypto options exchange Deribit. Bitcoin options represent $1.75 billion, with a put/call ratio of 0.81 and a maximum-pain level of $67,000. Ethereum options account for $340 million, with a put/call ratio of 0.82 and a maximum-pain level of $2,000. Max pain marks the price where the largest number of option buyers lose their premium at expiry.