OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Jan 21, 2028 EXPIRATION

BRK.B $510.00 Call

BRKB280121C00510000

Latest saved OI257Oct 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
BRK.B $510.00 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. 2591290 2026-10-02: 259 OI2026-10-05: 249 OI2026-10-06: 251 OI2026-10-07: 251 OI2026-10-08: 251 OI2026-10-09: 255 OI2026-10-13: 253 OI2026-10-14: 253 OI2026-10-15: 253 OI2026-10-16: 256 OI2026-10-21: 256 OI2026-10-23: 257 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, 2026Viewing257+1
Oct 21, 20262560
Oct 16, 2026256+3
Oct 15, 20262530
Oct 14, 20262530
Oct 13, 2026253-2
Oct 09, 2026255+4
Oct 08, 20262510
Oct 07, 20262510
Oct 06, 2026251+2
Oct 05, 2026249-10
Oct 02, 2026259No prior observation