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Contract OI history

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Nov 20, 2026 EXPIRATION

CRWD $212.50 Put

CRWD261120P00212500

Latest saved OI489Oct 23, 2026
Last change-25vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CRWD $212.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 5142570 2026-10-09: 232 OI2026-10-13: 232 OI2026-10-14: 232 OI2026-10-15: 260 OI2026-10-16: 259 OI2026-10-21: 514 OI2026-10-23: 489 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CRWD contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing489-25
Oct 21, 2026514+255
Oct 16, 2026259-1
Oct 15, 2026260+28
Oct 14, 20262320
Oct 13, 20262320
Oct 09, 2026232No prior observation