OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Nov 20, 2026 EXPIRATION

BRK.B $535.00 Call

BRKB261120C00535000

Latest saved OI910Oct 23, 2026
Last change+45vs 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: 245 OI2026-10-05: 242 OI2026-10-06: 255 OI2026-10-07: 260 OI2026-10-08: 260 OI2026-10-09: 428 OI2026-10-13: 723 OI2026-10-14: 723 OI2026-10-15: 743 OI2026-10-16: 772 OI2026-10-21: 865 OI2026-10-23: 910 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, 2026Viewing910+45
Oct 21, 2026865+93
Oct 16, 2026772+29
Oct 15, 2026743+20
Oct 14, 20267230
Oct 13, 2026723+295
Oct 09, 2026428+168
Oct 08, 20262600
Oct 07, 2026260+5
Oct 06, 2026255+13
Oct 05, 2026242-3
Oct 02, 2026245No prior observation