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Contract OI history

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Nov 20, 2026 EXPIRATION

PSX $270.00 Call

PSX261120C00270000

Latest saved OI406Oct 23, 2026
Last change-4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PSX $270.00 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. 4162080 2026-10-02: 354 OI2026-10-05: 362 OI2026-10-06: 374 OI2026-10-07: 374 OI2026-10-08: 378 OI2026-10-09: 403 OI2026-10-13: 416 OI2026-10-14: 416 OI2026-10-15: 414 OI2026-10-16: 412 OI2026-10-21: 410 OI2026-10-23: 406 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, 2026Viewing406-4
Oct 21, 2026410-2
Oct 16, 2026412-2
Oct 15, 2026414-2
Oct 14, 20264160
Oct 13, 2026416+13
Oct 09, 2026403+25
Oct 08, 2026378+4
Oct 07, 20263740
Oct 06, 2026374+12
Oct 05, 2026362+8
Oct 02, 2026354No prior observation