OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Jan 21, 2028 EXPIRATION

BRK.B $580.00 Call

BRKB280121C00580000

Latest saved OI2,167Oct 23, 2026
Last change+17vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $580.00 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. 2,1671,0830 2026-10-02: 2,038 OI2026-10-05: 2,038 OI2026-10-06: 2,038 OI2026-10-07: 2,038 OI2026-10-08: 2,038 OI2026-10-09: 2,038 OI2026-10-13: 2,098 OI2026-10-14: 2,098 OI2026-10-15: 2,098 OI2026-10-16: 2,098 OI2026-10-21: 2,150 OI2026-10-23: 2,167 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, 2026Viewing2,167+17
Oct 21, 20262,150+52
Oct 16, 20262,0980
Oct 15, 20262,0980
Oct 14, 20262,0980
Oct 13, 20262,098+60
Oct 09, 20262,0380
Oct 08, 20262,0380
Oct 07, 20262,0380
Oct 06, 20262,0380
Oct 05, 20262,0380
Oct 02, 20262,038No prior observation