OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Dec 15, 2028 EXPIRATION

BRK.B $450.00 Call

BRKB281215C00450000

Latest saved OI433Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $450.00 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. 4332160 2026-10-02: 423 OI2026-10-05: 424 OI2026-10-06: 424 OI2026-10-07: 424 OI2026-10-08: 424 OI2026-10-09: 424 OI2026-10-13: 423 OI2026-10-14: 423 OI2026-10-15: 421 OI2026-10-16: 421 OI2026-10-21: 433 OI2026-10-23: 433 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, 2026Viewing4330
Oct 21, 2026433+12
Oct 16, 20264210
Oct 15, 2026421-2
Oct 14, 20264230
Oct 13, 2026423-1
Oct 09, 20264240
Oct 08, 20264240
Oct 07, 20264240
Oct 06, 20264240
Oct 05, 2026424+1
Oct 02, 2026423No prior observation