OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Nov 20, 2026 EXPIRATION

BRK.B $470.00 Call

BRKB261120C00470000

Latest saved OI144Oct 23, 2026
Last change-3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $470.00 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. 160800 2026-10-02: 148 OI2026-10-05: 148 OI2026-10-06: 159 OI2026-10-07: 159 OI2026-10-08: 159 OI2026-10-09: 160 OI2026-10-13: 147 OI2026-10-14: 147 OI2026-10-15: 147 OI2026-10-16: 147 OI2026-10-21: 147 OI2026-10-23: 144 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, 2026Viewing144-3
Oct 21, 20261470
Oct 16, 20261470
Oct 15, 20261470
Oct 14, 20261470
Oct 13, 2026147-13
Oct 09, 2026160+1
Oct 08, 20261590
Oct 07, 20261590
Oct 06, 2026159+11
Oct 05, 20261480
Oct 02, 2026148No prior observation