Bitcoin and Ethereum options contracts with a combined notional value of approximately $11.7 billion are set to expire this Friday, October 30, on Deribit. Bitcoin options account for the bulk of the expiration, with 135,000 BTC contracts worth $10.92 billion reaching maturity at 16:00 Beijing time. The max pain price for Bitcoin is $78,000, accompanied by a put/call ratio of 0.53. Ethereum options also face significant expiration pressure, with contracts totaling $776 million in notional value expiring simultaneously. The ETH max pain price sits at $2,500, while its put/call ratio stands at 0.77. These expirations could influence short-term volatility as traders adjust positions ahead of settlement.