OITracker Cboe delayed data

Contract OI history

Back to B

Jan 15, 2027 EXPIRATION

B $32.00 Put

B270115P00032000

Latest saved OI116Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
B $32.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 119590 2026-10-02: 119 OI2026-10-05: 119 OI2026-10-06: 119 OI2026-10-07: 119 OI2026-10-08: 118 OI2026-10-09: 118 OI2026-10-13: 116 OI2026-10-14: 116 OI2026-10-15: 116 OI2026-10-16: 116 OI2026-10-21: 116 OI2026-10-23: 116 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, 2026Viewing1160
Oct 21, 20261160
Oct 16, 20261160
Oct 15, 20261160
Oct 14, 20261160
Oct 13, 2026116-2
Oct 09, 20261180
Oct 08, 2026118-1
Oct 07, 20261190
Oct 06, 20261190
Oct 05, 20261190
Oct 02, 2026119No prior observation