OITracker Cboe delayed data

Contract OI history

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Jan 19, 2029 EXPIRATION

B $33.00 Call

B290119C00033000

Latest saved OI159Oct 23, 2026
Last change+8vs 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. 159790 2026-10-02: 127 OI2026-10-05: 127 OI2026-10-06: 127 OI2026-10-07: 127 OI2026-10-08: 127 OI2026-10-09: 146 OI2026-10-13: 146 OI2026-10-14: 146 OI2026-10-15: 148 OI2026-10-16: 148 OI2026-10-21: 151 OI2026-10-23: 159 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, 2026Viewing159+8
Oct 21, 2026151+3
Oct 16, 20261480
Oct 15, 2026148+2
Oct 14, 20261460
Oct 13, 20261460
Oct 09, 2026146+19
Oct 08, 20261270
Oct 07, 20261270
Oct 06, 20261270
Oct 05, 20261270
Oct 02, 2026127No prior observation