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Contract OI history

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Dec 18, 2026 EXPIRATION

PSX $220.00 Call

PSX261218C00220000

Latest saved OI896Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PSX $220.00 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. 9104550 2026-10-02: 910 OI2026-10-05: 909 OI2026-10-06: 909 OI2026-10-07: 909 OI2026-10-08: 909 OI2026-10-09: 899 OI2026-10-13: 899 OI2026-10-14: 899 OI2026-10-15: 895 OI2026-10-16: 895 OI2026-10-21: 895 OI2026-10-23: 896 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, 2026Viewing896+1
Oct 21, 20268950
Oct 16, 20268950
Oct 15, 2026895-4
Oct 14, 20268990
Oct 13, 20268990
Oct 09, 2026899-10
Oct 08, 20269090
Oct 07, 20269090
Oct 06, 20269090
Oct 05, 2026909-1
Oct 02, 2026910No prior observation