OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Jan 21, 2028 EXPIRATION

BRK.B $530.00 Call

BRKB280121C00530000

Latest saved OI1,592Oct 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 $530.00 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. 1,6038010 2026-10-02: 1,562 OI2026-10-05: 1,567 OI2026-10-06: 1,583 OI2026-10-07: 1,583 OI2026-10-08: 1,583 OI2026-10-09: 1,583 OI2026-10-13: 1,592 OI2026-10-14: 1,592 OI2026-10-15: 1,594 OI2026-10-16: 1,596 OI2026-10-21: 1,603 OI2026-10-23: 1,592 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, 2026Viewing1,592-11
Oct 21, 20261,603+7
Oct 16, 20261,596+2
Oct 15, 20261,594+2
Oct 14, 20261,5920
Oct 13, 20261,592+9
Oct 09, 20261,5830
Oct 08, 20261,5830
Oct 07, 20261,5830
Oct 06, 20261,583+16
Oct 05, 20261,567+5
Oct 02, 20261,562No prior observation