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Contract OI history

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Dec 18, 2026 EXPIRATION

CRWD $197.50 Put

CRWD261218P00197500

Latest saved OI191Oct 23, 2026
Last change+10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CRWD $197.50 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. 191950 2026-10-09: 143 OI2026-10-13: 144 OI2026-10-14: 144 OI2026-10-15: 144 OI2026-10-16: 145 OI2026-10-21: 181 OI2026-10-23: 191 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, 2026Viewing191+10
Oct 21, 2026181+36
Oct 16, 2026145+1
Oct 15, 20261440
Oct 14, 20261440
Oct 13, 2026144+1
Oct 09, 2026143No prior observation