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Contract OI history

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Nov 20, 2026 EXPIRATION

PSX $290.00 Call

PSX261120C00290000

Latest saved OI529Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PSX $290.00 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. 5292640 2026-10-02: 309 OI2026-10-05: 310 OI2026-10-06: 309 OI2026-10-07: 318 OI2026-10-08: 319 OI2026-10-09: 348 OI2026-10-13: 413 OI2026-10-14: 413 OI2026-10-15: 414 OI2026-10-16: 428 OI2026-10-21: 527 OI2026-10-23: 529 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, 2026Viewing529+2
Oct 21, 2026527+99
Oct 16, 2026428+14
Oct 15, 2026414+1
Oct 14, 20264130
Oct 13, 2026413+65
Oct 09, 2026348+29
Oct 08, 2026319+1
Oct 07, 2026318+9
Oct 06, 2026309-1
Oct 05, 2026310+1
Oct 02, 2026309No prior observation