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Contract OI history

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Dec 18, 2026 EXPIRATION

PSX $240.00 Call

PSX261218C00240000

Latest saved OI253Oct 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 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2561280 2026-10-02: 137 OI2026-10-05: 256 OI2026-10-06: 256 OI2026-10-07: 256 OI2026-10-08: 255 OI2026-10-09: 253 OI2026-10-13: 253 OI2026-10-14: 253 OI2026-10-15: 253 OI2026-10-16: 253 OI2026-10-21: 253 OI2026-10-23: 253 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, 2026Viewing2530
Oct 21, 20262530
Oct 16, 20262530
Oct 15, 20262530
Oct 14, 20262530
Oct 13, 20262530
Oct 09, 2026253-2
Oct 08, 2026255-1
Oct 07, 20262560
Oct 06, 20262560
Oct 05, 2026256+119
Oct 02, 2026137No prior observation