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Contract OI history

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Nov 20, 2026 EXPIRATION

SEI $67.50 Put

SEI261120P00067500

Latest saved OI166Oct 23, 2026
Last change+5vs previous saved observation
Saved market days9Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SEI $67.50 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. 166830 2026-10-02: 53 OI2026-10-06: 91 OI2026-10-07: 91 OI2026-10-08: 92 OI2026-10-09: 97 OI2026-10-13: 100 OI2026-10-15: 158 OI2026-10-20: 161 OI2026-10-23: 166 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, 2026Viewing166+5
Oct 20, 2026161+3
Oct 15, 2026158+58
Oct 13, 2026100+3
Oct 09, 202697+5
Oct 08, 202692+1
Oct 07, 2026910
Oct 06, 202691+38
Oct 02, 202653No prior observation