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Contract OI history

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Feb 19, 2027 EXPIRATION

SEI $50.00 Put

SEI270219P00050000

Latest saved OI25Oct 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 $50.00 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. 25120 2026-10-02: 24 OI2026-10-06: 24 OI2026-10-07: 24 OI2026-10-08: 24 OI2026-10-09: 25 OI2026-10-13: 25 OI2026-10-15: 25 OI2026-10-20: 25 OI2026-10-23: 25 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, 2026Viewing250
Oct 20, 2026250
Oct 15, 2026250
Oct 13, 2026250
Oct 09, 202625+1
Oct 08, 2026240
Oct 07, 2026240
Oct 06, 2026240
Oct 02, 202624No prior observation