OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

BN $34.00 Put

BN261218P00034000

Latest saved OI28Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BN $34.00 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. 30150 2026-10-02: 4 OI2026-10-05: 4 OI2026-10-06: 5 OI2026-10-07: 5 OI2026-10-08: 6 OI2026-10-09: 6 OI2026-10-13: 16 OI2026-10-14: 21 OI2026-10-15: 23 OI2026-10-16: 24 OI2026-10-21: 30 OI2026-10-23: 28 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, 2026Viewing28-2
Oct 21, 202630+6
Oct 16, 202624+1
Oct 15, 202623+2
Oct 14, 202621+5
Oct 13, 202616+10
Oct 09, 202660
Oct 08, 20266+1
Oct 07, 202650
Oct 06, 20265+1
Oct 05, 202640
Oct 02, 20264No prior observation