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Contract OI history

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Nov 20, 2026 EXPIRATION

PSX $200.00 Put

PSX261120P00200000

Latest saved OI176Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PSX $200.00 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. 180900 2026-10-02: 159 OI2026-10-05: 169 OI2026-10-06: 169 OI2026-10-07: 170 OI2026-10-08: 170 OI2026-10-09: 180 OI2026-10-13: 176 OI2026-10-14: 176 OI2026-10-15: 176 OI2026-10-16: 176 OI2026-10-21: 176 OI2026-10-23: 176 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, 2026Viewing1760
Oct 21, 20261760
Oct 16, 20261760
Oct 15, 20261760
Oct 14, 20261760
Oct 13, 2026176-4
Oct 09, 2026180+10
Oct 08, 20261700
Oct 07, 2026170+1
Oct 06, 20261690
Oct 05, 2026169+10
Oct 02, 2026159No prior observation