OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

BN $36.00 Put

BN261120P00036000

Latest saved OI19,745Oct 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 $36.00 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. 19,7459,8720 2026-10-02: 133 OI2026-10-05: 134 OI2026-10-06: 150 OI2026-10-07: 164 OI2026-10-08: 204 OI2026-10-09: 6,034 OI2026-10-13: 6,194 OI2026-10-14: 9,563 OI2026-10-15: 17,319 OI2026-10-16: 17,370 OI2026-10-21: 19,744 OI2026-10-23: 19,745 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, 2026Viewing19,745+1
Oct 21, 202619,744+2,374
Oct 16, 202617,370+51
Oct 15, 202617,319+7,756
Oct 14, 20269,563+3,369
Oct 13, 20266,194+160
Oct 09, 20266,034+5,830
Oct 08, 2026204+40
Oct 07, 2026164+14
Oct 06, 2026150+16
Oct 05, 2026134+1
Oct 02, 2026133No prior observation