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Contract OI history

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Feb 19, 2027 EXPIRATION

PSX $240.00 Call

PSX270219C00240000

Latest saved OI268Oct 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 $240.00 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. 2681340 2026-10-02: 254 OI2026-10-05: 254 OI2026-10-06: 254 OI2026-10-07: 254 OI2026-10-08: 258 OI2026-10-09: 263 OI2026-10-13: 266 OI2026-10-14: 266 OI2026-10-15: 267 OI2026-10-16: 267 OI2026-10-21: 267 OI2026-10-23: 268 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, 2026Viewing268+1
Oct 21, 20262670
Oct 16, 20262670
Oct 15, 2026267+1
Oct 14, 20262660
Oct 13, 2026266+3
Oct 09, 2026263+5
Oct 08, 2026258+4
Oct 07, 20262540
Oct 06, 20262540
Oct 05, 20262540
Oct 02, 2026254No prior observation