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Contract OI history

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Nov 20, 2026 EXPIRATION

SEI $55.00 Put

SEI261120P00055000

Latest saved OI332Oct 23, 2026
Last change+38vs previous saved observation
Saved market days9Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SEI $55.00 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. 3391690 2026-10-02: 54 OI2026-10-06: 52 OI2026-10-07: 69 OI2026-10-08: 70 OI2026-10-09: 74 OI2026-10-13: 74 OI2026-10-15: 339 OI2026-10-20: 294 OI2026-10-23: 332 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, 2026Viewing332+38
Oct 20, 2026294-45
Oct 15, 2026339+265
Oct 13, 2026740
Oct 09, 202674+4
Oct 08, 202670+1
Oct 07, 202669+17
Oct 06, 202652-2
Oct 02, 202654No prior observation