OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

BN $42.00 Call

BN261218C00042000

Latest saved OI489Oct 23, 2026
Last change+7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BN $42.00 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. 4892440 2026-10-02: 4 OI2026-10-05: 29 OI2026-10-06: 405 OI2026-10-07: 405 OI2026-10-08: 405 OI2026-10-09: 405 OI2026-10-13: 405 OI2026-10-14: 405 OI2026-10-15: 405 OI2026-10-16: 406 OI2026-10-21: 482 OI2026-10-23: 489 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, 2026Viewing489+7
Oct 21, 2026482+76
Oct 16, 2026406+1
Oct 15, 20264050
Oct 14, 20264050
Oct 13, 20264050
Oct 09, 20264050
Oct 08, 20264050
Oct 07, 20264050
Oct 06, 2026405+376
Oct 05, 202629+25
Oct 02, 20264No prior observation