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Contract OI history

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Jan 15, 2027 EXPIRATION

SEI $40.00 Put

SEI270115P00040000

Latest saved OI1,134Oct 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 $40.00 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. 1,1345670 2026-10-02: 1,111 OI2026-10-06: 1,111 OI2026-10-07: 1,111 OI2026-10-08: 1,111 OI2026-10-09: 1,109 OI2026-10-13: 1,109 OI2026-10-15: 1,109 OI2026-10-20: 1,134 OI2026-10-23: 1,134 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, 2026Viewing1,1340
Oct 20, 20261,134+25
Oct 15, 20261,1090
Oct 13, 20261,1090
Oct 09, 20261,109-2
Oct 08, 20261,1110
Oct 07, 20261,1110
Oct 06, 20261,1110
Oct 02, 20261,111No prior observation