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Contract OI history

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Nov 20, 2026 EXPIRATION

CRWD $227.50 Put

CRWD261120P00227500

Latest saved OI675Oct 23, 2026
Last change+46vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CRWD $227.50 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. 6753370 2026-10-09: 568 OI2026-10-13: 578 OI2026-10-14: 578 OI2026-10-15: 596 OI2026-10-16: 611 OI2026-10-21: 629 OI2026-10-23: 675 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, 2026Viewing675+46
Oct 21, 2026629+18
Oct 16, 2026611+15
Oct 15, 2026596+18
Oct 14, 20265780
Oct 13, 2026578+10
Oct 09, 2026568No prior observation