OITracker Cboe delayed data

Contract OI history

Back to B

Nov 13, 2026 EXPIRATION

B $41.00 Call

B261113C00041000

Latest saved OI699Oct 23, 2026
Last change-24vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
B $41.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8644320 2026-10-02: 0 OI2026-10-05: 1 OI2026-10-06: 1 OI2026-10-07: 23 OI2026-10-08: 24 OI2026-10-09: 26 OI2026-10-13: 634 OI2026-10-14: 634 OI2026-10-15: 635 OI2026-10-16: 864 OI2026-10-21: 723 OI2026-10-23: 699 OI Oct 02, 2026Oct 23, 2026

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

B contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing699-24
Oct 21, 2026723-141
Oct 16, 2026864+229
Oct 15, 2026635+1
Oct 14, 20266340
Oct 13, 2026634+608
Oct 09, 202626+2
Oct 08, 202624+1
Oct 07, 202623+22
Oct 06, 202610
Oct 05, 20261+1
Oct 02, 20260No prior observation