OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Oct 30, 2026 EXPIRATION

BRK.B $530.00 Call

BRKB261030C00530000

Latest saved OI780Oct 23, 2026
Last change-76vs 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. 8564280 2026-10-02: 227 OI2026-10-05: 231 OI2026-10-06: 427 OI2026-10-07: 435 OI2026-10-08: 435 OI2026-10-09: 457 OI2026-10-13: 762 OI2026-10-14: 762 OI2026-10-15: 783 OI2026-10-16: 769 OI2026-10-21: 856 OI2026-10-23: 780 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, 2026Viewing780-76
Oct 21, 2026856+87
Oct 16, 2026769-14
Oct 15, 2026783+21
Oct 14, 20267620
Oct 13, 2026762+305
Oct 09, 2026457+22
Oct 08, 20264350
Oct 07, 2026435+8
Oct 06, 2026427+196
Oct 05, 2026231+4
Oct 02, 2026227No prior observation