Contract OI history

Back to BRK.B

Jan 21, 2028 EXPIRATION

BRK.B $470.00 Call

BRKB280121C00470000

Latest saved OI183Oct 23, 2026
Last change+1vs 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. 194970 2026-10-02: 192 OI2026-10-05: 193 OI2026-10-06: 194 OI2026-10-07: 194 OI2026-10-08: 194 OI2026-10-09: 191 OI2026-10-13: 182 OI2026-10-14: 182 OI2026-10-15: 181 OI2026-10-16: 180 OI2026-10-21: 182 OI2026-10-23: 183 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, 2026Viewing183+1
Oct 21, 2026182+2
Oct 16, 2026180-1
Oct 15, 2026181-1
Oct 14, 20261820
Oct 13, 2026182-9
Oct 09, 2026191-3
Oct 08, 20261940
Oct 07, 20261940
Oct 06, 2026194+1
Oct 05, 2026193+1
Oct 02, 2026192No prior observation