OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Jan 21, 2028 EXPIRATION

BRK.B $620.00 Call

BRKB280121C00620000

Latest saved OI1,212Oct 23, 2026
Last change+214vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $620.00 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. 1,2126060 2026-10-02: 842 OI2026-10-05: 944 OI2026-10-06: 884 OI2026-10-07: 889 OI2026-10-08: 889 OI2026-10-09: 889 OI2026-10-13: 889 OI2026-10-14: 889 OI2026-10-15: 889 OI2026-10-16: 987 OI2026-10-21: 998 OI2026-10-23: 1,212 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, 2026Viewing1,212+214
Oct 21, 2026998+11
Oct 16, 2026987+98
Oct 15, 20268890
Oct 14, 20268890
Oct 13, 20268890
Oct 09, 20268890
Oct 08, 20268890
Oct 07, 2026889+5
Oct 06, 2026884-60
Oct 05, 2026944+102
Oct 02, 2026842No prior observation