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Contract OI history

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Oct 23, 2026 EXPIRATION

PSX $287.50 Call

PSX261023C00287500

Latest saved OI260Oct 23, 2026
Last change-127vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
PSX $287.50 call open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 3871930 2026-10-08: 0 OI2026-10-09: 0 OI2026-10-13: 7 OI2026-10-14: 7 OI2026-10-15: 7 OI2026-10-16: 8 OI2026-10-21: 387 OI2026-10-23: 260 OI Oct 08, 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, 2026Viewing260-127
Oct 21, 2026387+379
Oct 16, 20268+1
Oct 15, 202670
Oct 14, 202670
Oct 13, 20267+7
Oct 09, 202600
Oct 08, 20260No prior observation