OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

BN $41.00 Put

BN261120P00041000

Latest saved OI193Oct 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 $41.00 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. 4402200 2026-10-02: 440 OI2026-10-05: 390 OI2026-10-06: 390 OI2026-10-07: 251 OI2026-10-08: 252 OI2026-10-09: 253 OI2026-10-13: 257 OI2026-10-14: 257 OI2026-10-15: 193 OI2026-10-16: 193 OI2026-10-21: 193 OI2026-10-23: 193 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, 2026Viewing1930
Oct 21, 20261930
Oct 16, 20261930
Oct 15, 2026193-64
Oct 14, 20262570
Oct 13, 2026257+4
Oct 09, 2026253+1
Oct 08, 2026252+1
Oct 07, 2026251-139
Oct 06, 20263900
Oct 05, 2026390-50
Oct 02, 2026440No prior observation