OITracker Cboe delayed data

Contract OI history

Back to BN

Jan 15, 2027 EXPIRATION

BN $40.00 Call

BN270115C00040000

Latest saved OI565Oct 23, 2026
Last change+60vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BN $40.00 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. 5652820 2026-10-02: 442 OI2026-10-05: 461 OI2026-10-06: 466 OI2026-10-07: 474 OI2026-10-08: 475 OI2026-10-09: 475 OI2026-10-13: 485 OI2026-10-14: 485 OI2026-10-15: 496 OI2026-10-16: 495 OI2026-10-21: 505 OI2026-10-23: 565 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, 2026Viewing565+60
Oct 21, 2026505+10
Oct 16, 2026495-1
Oct 15, 2026496+11
Oct 14, 20264850
Oct 13, 2026485+10
Oct 09, 20264750
Oct 08, 2026475+1
Oct 07, 2026474+8
Oct 06, 2026466+5
Oct 05, 2026461+19
Oct 02, 2026442No prior observation