OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

U $40.00 Call

U261120C00040000

Latest saved OI5,339Oct 23, 2026
Last change+51vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
U $40.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 6,7333,3660 2026-10-02: 6,733 OI2026-10-05: 6,671 OI2026-10-06: 5,378 OI2026-10-07: 5,142 OI2026-10-08: 5,142 OI2026-10-09: 5,137 OI2026-10-14: 5,133 OI2026-10-15: 5,135 OI2026-10-16: 5,467 OI2026-10-21: 5,288 OI2026-10-23: 5,339 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

U contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20265,339+51
Oct 21, 2026Viewing5,288-179
Oct 16, 20265,467+332
Oct 15, 20265,135+2
Oct 14, 20265,133-4
Oct 09, 20265,137-5
Oct 08, 20265,1420
Oct 07, 20265,142-236
Oct 06, 20265,378-1,293
Oct 05, 20266,671-62
Oct 02, 20266,733No prior observation