OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Mar 19, 2027 EXPIRATION

BRK.B $565.00 Call

BRKB270319C00565000

Latest saved OI315Oct 23, 2026
Last change+62vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $565.00 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. 3151570 2026-10-02: 240 OI2026-10-05: 240 OI2026-10-06: 242 OI2026-10-07: 242 OI2026-10-08: 242 OI2026-10-09: 242 OI2026-10-13: 249 OI2026-10-14: 249 OI2026-10-15: 249 OI2026-10-16: 251 OI2026-10-21: 253 OI2026-10-23: 315 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, 2026Viewing315+62
Oct 21, 2026253+2
Oct 16, 2026251+2
Oct 15, 20262490
Oct 14, 20262490
Oct 13, 2026249+7
Oct 09, 20262420
Oct 08, 20262420
Oct 07, 20262420
Oct 06, 2026242+2
Oct 05, 20262400
Oct 02, 2026240No prior observation