OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Dec 18, 2026 EXPIRATION

BRK.B $495.00 Call

BRKB261218C00495000

Latest saved OI227Oct 23, 2026
Last change-7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $495.00 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. 2341170 2026-10-02: 230 OI2026-10-05: 230 OI2026-10-06: 230 OI2026-10-07: 230 OI2026-10-08: 230 OI2026-10-09: 231 OI2026-10-13: 230 OI2026-10-14: 230 OI2026-10-15: 230 OI2026-10-16: 230 OI2026-10-21: 234 OI2026-10-23: 227 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, 2026Viewing227-7
Oct 21, 2026234+4
Oct 16, 20262300
Oct 15, 20262300
Oct 14, 20262300
Oct 13, 2026230-1
Oct 09, 2026231+1
Oct 08, 20262300
Oct 07, 20262300
Oct 06, 20262300
Oct 05, 20262300
Oct 02, 2026230No prior observation