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Contract OI history

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Jan 15, 2027 EXPIRATION

PSX $280.00 Call

PSX270115C00280000

Latest saved OI555Oct 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 $280.00 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. 5592790 2026-10-02: 538 OI2026-10-05: 538 OI2026-10-06: 539 OI2026-10-07: 543 OI2026-10-08: 544 OI2026-10-09: 546 OI2026-10-13: 558 OI2026-10-14: 558 OI2026-10-15: 558 OI2026-10-16: 559 OI2026-10-21: 556 OI2026-10-23: 555 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, 2026Viewing555-1
Oct 21, 2026556-3
Oct 16, 2026559+1
Oct 15, 20265580
Oct 14, 20265580
Oct 13, 2026558+12
Oct 09, 2026546+2
Oct 08, 2026544+1
Oct 07, 2026543+4
Oct 06, 2026539+1
Oct 05, 20265380
Oct 02, 2026538No prior observation