35% of Deribit's Bitcoin options open interest expires October 30
- —About 35% of Deribit's BTC options open interest expires October 30
- —The cluster's notional value is estimated at $10.7–11.3 billion
- —The biggest strike is the $95,000 call with ~24,000 BTC (~$2.1 billion)
- —Put-to-call ratio is 0.4–0.51, with max pain at $78,000–79,000
Why it matters: The expiry of a third of open interest could amplify Bitcoin volatility through market makers' gamma hedging.
Source: Crypto Briefing