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Contract OI history

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Nov 20, 2026 EXPIRATION

CHKP $135.00 Put

CHKP261120P00135000

Latest saved OI238Oct 23, 2026
Last change+16vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CHKP $135.00 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. 2381190 2026-10-08: 18 OI2026-10-09: 18 OI2026-10-13: 100 OI2026-10-14: 100 OI2026-10-16: 106 OI2026-10-20: 222 OI2026-10-23: 238 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, 2026Viewing238+16
Oct 20, 2026222+116
Oct 16, 2026106+6
Oct 14, 20261000
Oct 13, 2026100+82
Oct 09, 2026180
Oct 08, 202618No prior observation