BTC options OI hits $40B as 90% of open contracts cluster around the round number
Open interest in BTC options has built into a multi-month peak ahead of next month's monthly expiry.
Aggregate Bitcoin options open interest has built to roughly $40 billion in the lead-up to next month’s quarterly expiry, with strike clustering around major round-number levels. The setup creates a pinning dynamic — gamma exposure tends to dampen volatility into expiry — but also creates risk of sharp moves once that gamma rolls off.
About the author
Aryan Patel
Editor-in-Chief · CMT charter-holder · 12 years in markets
Editor-in-chief at Digital Market Chronicle. Covers BTC, ETH and macro cross-currents. Previously ran a cross-asset trading desk. Believes in tight stops and tight prose.