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Contract OI history

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Nov 20, 2026 EXPIRATION

SEI $72.50 Put

SEI261120P00072500

Latest saved OI466Oct 23, 2026
Last change+113vs previous saved observation
Saved market days9Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SEI $72.50 put open interest history 9 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4662330 2026-10-02: 114 OI2026-10-06: 115 OI2026-10-07: 115 OI2026-10-08: 115 OI2026-10-09: 416 OI2026-10-13: 416 OI2026-10-15: 400 OI2026-10-20: 353 OI2026-10-23: 466 OI Oct 02, 2026Oct 23, 2026

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

SEI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing466+113
Oct 20, 2026353-47
Oct 15, 2026400-16
Oct 13, 20264160
Oct 09, 2026416+301
Oct 08, 20261150
Oct 07, 20261150
Oct 06, 2026115+1
Oct 02, 2026114No prior observation