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Contract OI history

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Jan 15, 2027 EXPIRATION

PSX $200.00 Put

PSX270115P00200000

Latest saved OI383Oct 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. 3831910 2026-10-02: 374 OI2026-10-05: 372 OI2026-10-06: 373 OI2026-10-07: 373 OI2026-10-08: 373 OI2026-10-09: 373 OI2026-10-13: 374 OI2026-10-14: 374 OI2026-10-15: 373 OI2026-10-16: 365 OI2026-10-21: 383 OI2026-10-23: 383 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, 2026Viewing3830
Oct 21, 2026383+18
Oct 16, 2026365-8
Oct 15, 2026373-1
Oct 14, 20263740
Oct 13, 2026374+1
Oct 09, 20263730
Oct 08, 20263730
Oct 07, 20263730
Oct 06, 2026373+1
Oct 05, 2026372-2
Oct 02, 2026374No prior observation