OITracker Cboe delayed data

Contract OI history

Back to B

Mar 19, 2027 EXPIRATION

B $33.00 Call

B270319C00033000

Latest saved OI292Oct 23, 2026
Last change-82vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
B $33.00 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. 3741870 2026-10-02: 364 OI2026-10-05: 364 OI2026-10-06: 364 OI2026-10-07: 374 OI2026-10-08: 374 OI2026-10-09: 374 OI2026-10-13: 374 OI2026-10-14: 374 OI2026-10-15: 374 OI2026-10-16: 374 OI2026-10-21: 374 OI2026-10-23: 292 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, 2026Viewing292-82
Oct 21, 20263740
Oct 16, 20263740
Oct 15, 20263740
Oct 14, 20263740
Oct 13, 20263740
Oct 09, 20263740
Oct 08, 20263740
Oct 07, 2026374+10
Oct 06, 20263640
Oct 05, 20263640
Oct 02, 2026364No prior observation