OITracker Cboe delayed data

Contract OI history

Back to BKH

Nov 20, 2026 EXPIRATION

BKH $75.00 Call

BKH261120C00075000

Latest saved OI201Oct 23, 2026
Last change-5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BKH $75.00 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. 2061030 2026-10-02: 174 OI2026-10-05: 177 OI2026-10-06: 178 OI2026-10-07: 178 OI2026-10-08: 182 OI2026-10-09: 185 OI2026-10-13: 185 OI2026-10-14: 185 OI2026-10-15: 165 OI2026-10-16: 193 OI2026-10-21: 206 OI2026-10-23: 201 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BKH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing201-5
Oct 21, 2026206+13
Oct 16, 2026193+28
Oct 15, 2026165-20
Oct 14, 20261850
Oct 13, 20261850
Oct 09, 2026185+3
Oct 08, 2026182+4
Oct 07, 20261780
Oct 06, 2026178+1
Oct 05, 2026177+3
Oct 02, 2026174No prior observation