OITracker Cboe delayed data

Contract OI history

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May 21, 2027 EXPIRATION

BN $32.00 Put

BN270521P00032000

Latest saved OI173Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BN $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. 173860 2026-10-02: 162 OI2026-10-05: 162 OI2026-10-06: 163 OI2026-10-07: 163 OI2026-10-08: 164 OI2026-10-09: 164 OI2026-10-13: 164 OI2026-10-14: 164 OI2026-10-15: 164 OI2026-10-16: 164 OI2026-10-21: 173 OI2026-10-23: 173 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1730
Oct 21, 2026173+9
Oct 16, 20261640
Oct 15, 20261640
Oct 14, 20261640
Oct 13, 20261640
Oct 09, 20261640
Oct 08, 2026164+1
Oct 07, 20261630
Oct 06, 2026163+1
Oct 05, 20261620
Oct 02, 2026162No prior observation