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Contract OI history

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Dec 18, 2026 EXPIRATION

POST $80.00 Call

POST261218C00080000

Latest saved OI122Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
POST $80.00 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. 122610 2026-10-02: 115 OI2026-10-05: 115 OI2026-10-06: 115 OI2026-10-07: 115 OI2026-10-08: 115 OI2026-10-09: 115 OI2026-10-13: 115 OI2026-10-14: 115 OI2026-10-15: 115 OI2026-10-16: 118 OI2026-10-21: 118 OI2026-10-23: 122 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

POST contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing122+4
Oct 21, 20261180
Oct 16, 2026118+3
Oct 15, 20261150
Oct 14, 20261150
Oct 13, 20261150
Oct 09, 20261150
Oct 08, 20261150
Oct 07, 20261150
Oct 06, 20261150
Oct 05, 20261150
Oct 02, 2026115No prior observation