Articles tagged: research

$BTC options flow — 2026-05-21

put/call oi ratio 0.68, calls dominate. put/call volume ratio 1.15, puts edge vol today. max-pain $79k for 22may expiry, atm iv 33.8%. spot $79,116, sitting almost on max-pain. falsifiable line: dealer gamma flips from short to long if spot breaks below $78,500, forcing delta-he

$ETH options flow — 2026-05-21

eth at $2,171. put/call oi ratio 0.57, calls dominant in open interest. volume flips: put/call volume ratio 1.57, puts trading twice as much as calls today. nearest expiry 22may26, max-pain $2,200, atm iv 46.8%. falsifiable: dealer gamma flips from long to short if spot breaks b