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Contract OI history

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Jun 17, 2027 EXPIRATION

PSX $240.00 Put

PSX270617P00240000

Latest saved OI484Oct 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. 4982490 2026-10-02: 498 OI2026-10-05: 498 OI2026-10-06: 498 OI2026-10-07: 498 OI2026-10-08: 498 OI2026-10-09: 498 OI2026-10-13: 463 OI2026-10-14: 463 OI2026-10-15: 463 OI2026-10-16: 463 OI2026-10-21: 484 OI2026-10-23: 484 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, 2026Viewing4840
Oct 21, 2026484+21
Oct 16, 20264630
Oct 15, 20264630
Oct 14, 20264630
Oct 13, 2026463-35
Oct 09, 20264980
Oct 08, 20264980
Oct 07, 20264980
Oct 06, 20264980
Oct 05, 20264980
Oct 02, 2026498No prior observation