OITracker Cboe delayed data

Contract OI history

Back to B

Dec 15, 2028 EXPIRATION

B $23.00 Put

B281215P00023000

Latest saved OI105Oct 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 $23.00 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. 107530 2026-10-02: 107 OI2026-10-05: 107 OI2026-10-06: 107 OI2026-10-07: 107 OI2026-10-08: 107 OI2026-10-09: 107 OI2026-10-13: 105 OI2026-10-14: 105 OI2026-10-15: 105 OI2026-10-16: 105 OI2026-10-21: 105 OI2026-10-23: 105 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, 2026Viewing1050
Oct 21, 20261050
Oct 16, 20261050
Oct 15, 20261050
Oct 14, 20261050
Oct 13, 2026105-2
Oct 09, 20261070
Oct 08, 20261070
Oct 07, 20261070
Oct 06, 20261070
Oct 05, 20261070
Oct 02, 2026107No prior observation