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Contract OI history

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Feb 19, 2027 EXPIRATION

PSX $240.00 Put

PSX270219P00240000

Latest saved OI151Oct 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 $240.00 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. 151750 2026-10-02: 138 OI2026-10-05: 138 OI2026-10-06: 138 OI2026-10-07: 138 OI2026-10-08: 148 OI2026-10-09: 148 OI2026-10-13: 149 OI2026-10-14: 149 OI2026-10-15: 149 OI2026-10-16: 151 OI2026-10-21: 151 OI2026-10-23: 151 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, 2026Viewing1510
Oct 21, 20261510
Oct 16, 2026151+2
Oct 15, 20261490
Oct 14, 20261490
Oct 13, 2026149+1
Oct 09, 20261480
Oct 08, 2026148+10
Oct 07, 20261380
Oct 06, 20261380
Oct 05, 20261380
Oct 02, 2026138No prior observation