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Contract OI history

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Jan 15, 2027 EXPIRATION

PSX $320.00 Call

PSX270115C00320000

Latest saved OI346Oct 23, 2026
Last change+40vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PSX $320.00 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. 3461730 2026-10-02: 235 OI2026-10-05: 235 OI2026-10-06: 235 OI2026-10-07: 235 OI2026-10-08: 235 OI2026-10-09: 238 OI2026-10-13: 278 OI2026-10-14: 278 OI2026-10-15: 278 OI2026-10-16: 289 OI2026-10-21: 306 OI2026-10-23: 346 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, 2026Viewing346+40
Oct 21, 2026306+17
Oct 16, 2026289+11
Oct 15, 20262780
Oct 14, 20262780
Oct 13, 2026278+40
Oct 09, 2026238+3
Oct 08, 20262350
Oct 07, 20262350
Oct 06, 20262350
Oct 05, 20262350
Oct 02, 2026235No prior observation