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Contract OI history

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Mar 19, 2027 EXPIRATION

CRWD $217.50 Put

CRWD270319P00217500

Latest saved OI236Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CRWD $217.50 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. 2361180 2026-10-09: 174 OI2026-10-13: 233 OI2026-10-14: 233 OI2026-10-15: 233 OI2026-10-16: 233 OI2026-10-21: 235 OI2026-10-23: 236 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, 2026Viewing236+1
Oct 21, 2026235+2
Oct 16, 20262330
Oct 15, 20262330
Oct 14, 20262330
Oct 13, 2026233+59
Oct 09, 2026174No prior observation