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Contract OI history

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Jan 21, 2028 EXPIRATION

PSX $300.00 Call

PSX280121C00300000

Latest saved OI292Oct 23, 2026
Last change+5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PSX $300.00 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. 2921460 2026-10-02: 257 OI2026-10-05: 257 OI2026-10-06: 257 OI2026-10-07: 257 OI2026-10-08: 257 OI2026-10-09: 257 OI2026-10-13: 277 OI2026-10-14: 277 OI2026-10-15: 277 OI2026-10-16: 278 OI2026-10-21: 287 OI2026-10-23: 292 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, 2026Viewing292+5
Oct 21, 2026287+9
Oct 16, 2026278+1
Oct 15, 20262770
Oct 14, 20262770
Oct 13, 2026277+20
Oct 09, 20262570
Oct 08, 20262570
Oct 07, 20262570
Oct 06, 20262570
Oct 05, 20262570
Oct 02, 2026257No prior observation