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Contract OI history

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Oct 30, 2026 EXPIRATION

CRWD $227.50 Put

CRWD261030P00227500

Latest saved OI654Oct 23, 2026
Last change+593vs previous saved observation
Saved market days4Oct 15, 2026 onwards
Daily open interest Hover a point for its date and OI
CRWD $227.50 put open interest history 4 saved observations from 2026-10-15 to 2026-10-23. Exact values and changes are listed in the table below. 6543270 2026-10-15: 0 OI2026-10-16: 12 OI2026-10-21: 61 OI2026-10-23: 654 OI Oct 15, 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, 2026Viewing654+593
Oct 21, 202661+49
Oct 16, 202612+12
Oct 15, 20260No prior observation