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Contract OI history

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Oct 23, 2026 EXPIRATION

PSX $280.00 Put

PSX261023P00280000

Latest saved OI267Oct 23, 2026
Last change+152vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PSX $280.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2671330 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 0 OI2026-10-07: 0 OI2026-10-08: 0 OI2026-10-09: 1 OI2026-10-13: 13 OI2026-10-14: 13 OI2026-10-15: 20 OI2026-10-16: 28 OI2026-10-21: 115 OI2026-10-23: 267 OI Oct 02, 2026Oct 23, 2026

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

PSX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing267+152
Oct 21, 2026115+87
Oct 16, 202628+8
Oct 15, 202620+7
Oct 14, 2026130
Oct 13, 202613+12
Oct 09, 20261+1
Oct 08, 202600
Oct 07, 202600
Oct 06, 202600
Oct 05, 202600
Oct 02, 20260No prior observation