OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

BN $38.00 Put

BN261120P00038000

Latest saved OI797Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BN $38.00 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. 7973980 2026-10-02: 325 OI2026-10-05: 328 OI2026-10-06: 348 OI2026-10-07: 358 OI2026-10-08: 398 OI2026-10-09: 450 OI2026-10-13: 453 OI2026-10-14: 490 OI2026-10-15: 590 OI2026-10-16: 796 OI2026-10-21: 794 OI2026-10-23: 797 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, 2026Viewing797+3
Oct 21, 2026794-2
Oct 16, 2026796+206
Oct 15, 2026590+100
Oct 14, 2026490+37
Oct 13, 2026453+3
Oct 09, 2026450+52
Oct 08, 2026398+40
Oct 07, 2026358+10
Oct 06, 2026348+20
Oct 05, 2026328+3
Oct 02, 2026325No prior observation