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Contract OI history

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Dec 18, 2026 EXPIRATION

CHKP $115.00 Put

CHKP261218P00115000

Latest saved OI139Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CHKP $115.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 139690 2026-10-08: 139 OI2026-10-09: 139 OI2026-10-13: 139 OI2026-10-14: 139 OI2026-10-16: 138 OI2026-10-20: 138 OI2026-10-23: 139 OI Oct 08, 2026Oct 23, 2026

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

CHKP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing139+1
Oct 20, 20261380
Oct 16, 2026138-1
Oct 14, 20261390
Oct 13, 20261390
Oct 09, 20261390
Oct 08, 2026139No prior observation