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Contract OI history

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Nov 20, 2026 EXPIRATION

SEI $45.00 Put

SEI261120P00045000

Latest saved OI419Oct 23, 2026
Last change+9vs previous saved observation
Saved market days9Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SEI $45.00 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. 4192090 2026-10-02: 299 OI2026-10-06: 338 OI2026-10-07: 338 OI2026-10-08: 338 OI2026-10-09: 338 OI2026-10-13: 349 OI2026-10-15: 349 OI2026-10-20: 410 OI2026-10-23: 419 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, 2026Viewing419+9
Oct 20, 2026410+61
Oct 15, 20263490
Oct 13, 2026349+11
Oct 09, 20263380
Oct 08, 20263380
Oct 07, 20263380
Oct 06, 2026338+39
Oct 02, 2026299No prior observation