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Contract OI history

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Dec 18, 2026 EXPIRATION

PSX $310.00 Call

PSX261218C00310000

Latest saved OI174Oct 23, 2026
Last change+7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PSX $310.00 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. 174870 2026-10-02: 38 OI2026-10-05: 38 OI2026-10-06: 48 OI2026-10-07: 47 OI2026-10-08: 51 OI2026-10-09: 57 OI2026-10-13: 114 OI2026-10-14: 114 OI2026-10-15: 160 OI2026-10-16: 160 OI2026-10-21: 167 OI2026-10-23: 174 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, 2026Viewing174+7
Oct 21, 2026167+7
Oct 16, 20261600
Oct 15, 2026160+46
Oct 14, 20261140
Oct 13, 2026114+57
Oct 09, 202657+6
Oct 08, 202651+4
Oct 07, 202647-1
Oct 06, 202648+10
Oct 05, 2026380
Oct 02, 202638No prior observation