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Contract OI history

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Jan 15, 2027 EXPIRATION

SEI $55.00 Put

SEI270115P00055000

Latest saved OI598Oct 23, 2026
Last change0vs 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. 5982990 2026-10-02: 175 OI2026-10-06: 200 OI2026-10-07: 200 OI2026-10-08: 203 OI2026-10-09: 203 OI2026-10-13: 163 OI2026-10-15: 163 OI2026-10-20: 598 OI2026-10-23: 598 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, 2026Viewing5980
Oct 20, 2026598+435
Oct 15, 20261630
Oct 13, 2026163-40
Oct 09, 20262030
Oct 08, 2026203+3
Oct 07, 20262000
Oct 06, 2026200+25
Oct 02, 2026175No prior observation