OITracker Cboe delayed data

Contract OI history

Back to B

Jan 19, 2029 EXPIRATION

B $35.00 Call

B290119C00035000

Latest saved OI34Oct 23, 2026
Last change+9vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
B $35.00 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. 34170 2026-10-02: 14 OI2026-10-05: 19 OI2026-10-06: 19 OI2026-10-07: 19 OI2026-10-08: 24 OI2026-10-09: 25 OI2026-10-13: 25 OI2026-10-14: 25 OI2026-10-15: 25 OI2026-10-16: 25 OI2026-10-21: 25 OI2026-10-23: 34 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, 2026Viewing34+9
Oct 21, 2026250
Oct 16, 2026250
Oct 15, 2026250
Oct 14, 2026250
Oct 13, 2026250
Oct 09, 202625+1
Oct 08, 202624+5
Oct 07, 2026190
Oct 06, 2026190
Oct 05, 202619+5
Oct 02, 202614No prior observation