OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Dec 18, 2026 EXPIRATION

BRK.B $535.00 Call

BRKB261218C00535000

Latest saved OI899Oct 23, 2026
Last change+64vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $535.00 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. 9104550 2026-10-02: 569 OI2026-10-05: 573 OI2026-10-06: 671 OI2026-10-07: 799 OI2026-10-08: 799 OI2026-10-09: 824 OI2026-10-13: 892 OI2026-10-14: 892 OI2026-10-15: 910 OI2026-10-16: 837 OI2026-10-21: 835 OI2026-10-23: 899 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, 2026Viewing899+64
Oct 21, 2026835-2
Oct 16, 2026837-73
Oct 15, 2026910+18
Oct 14, 20268920
Oct 13, 2026892+68
Oct 09, 2026824+25
Oct 08, 20267990
Oct 07, 2026799+128
Oct 06, 2026671+98
Oct 05, 2026573+4
Oct 02, 2026569No prior observation