OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Oct 30, 2026 EXPIRATION

BRK.B $515.00 Call

BRKB261030C00515000

Latest saved OI2,134Oct 23, 2026
Last change-11vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $515.00 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. 2,1861,0930 2026-10-02: 178 OI2026-10-05: 191 OI2026-10-06: 237 OI2026-10-07: 239 OI2026-10-08: 239 OI2026-10-09: 2,186 OI2026-10-13: 2,176 OI2026-10-14: 2,176 OI2026-10-15: 2,179 OI2026-10-16: 2,185 OI2026-10-21: 2,145 OI2026-10-23: 2,134 OI Oct 02, 2026Oct 23, 2026

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

BRK.B contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,134-11
Oct 21, 20262,145-40
Oct 16, 20262,185+6
Oct 15, 20262,179+3
Oct 14, 20262,1760
Oct 13, 20262,176-10
Oct 09, 20262,186+1,947
Oct 08, 20262390
Oct 07, 2026239+2
Oct 06, 2026237+46
Oct 05, 2026191+13
Oct 02, 2026178No prior observation