OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Jan 21, 2028 EXPIRATION

BRK.B $330.00 Call

BRKB280121C00330000

Latest saved OI15,385Oct 23, 2026
Last change-20vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $330.00 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. 15,4227,7110 2026-10-02: 15,422 OI2026-10-05: 15,422 OI2026-10-06: 15,422 OI2026-10-07: 15,422 OI2026-10-08: 15,422 OI2026-10-09: 15,413 OI2026-10-13: 15,406 OI2026-10-14: 15,406 OI2026-10-15: 15,406 OI2026-10-16: 15,406 OI2026-10-21: 15,405 OI2026-10-23: 15,385 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, 2026Viewing15,385-20
Oct 21, 202615,405-1
Oct 16, 202615,4060
Oct 15, 202615,4060
Oct 14, 202615,4060
Oct 13, 202615,406-7
Oct 09, 202615,413-9
Oct 08, 202615,4220
Oct 07, 202615,4220
Oct 06, 202615,4220
Oct 05, 202615,4220
Oct 02, 202615,422No prior observation