OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

BN $41.00 Call

BN261218C00041000

Latest saved OI353Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BN $41.00 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. 3531760 2026-10-02: 11 OI2026-10-05: 11 OI2026-10-06: 344 OI2026-10-07: 346 OI2026-10-08: 347 OI2026-10-09: 347 OI2026-10-13: 347 OI2026-10-14: 347 OI2026-10-15: 347 OI2026-10-16: 347 OI2026-10-21: 352 OI2026-10-23: 353 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, 2026Viewing353+1
Oct 21, 2026352+5
Oct 16, 20263470
Oct 15, 20263470
Oct 14, 20263470
Oct 13, 20263470
Oct 09, 20263470
Oct 08, 2026347+1
Oct 07, 2026346+2
Oct 06, 2026344+333
Oct 05, 2026110
Oct 02, 202611No prior observation