OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Nov 20, 2026 EXPIRATION

BRK.B $545.00 Call

BRKB261120C00545000

Latest saved OI313Oct 23, 2026
Last change-182vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $545.00 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. 4952470 2026-10-02: 106 OI2026-10-05: 106 OI2026-10-06: 143 OI2026-10-07: 143 OI2026-10-08: 143 OI2026-10-09: 147 OI2026-10-13: 204 OI2026-10-14: 204 OI2026-10-15: 207 OI2026-10-16: 252 OI2026-10-21: 495 OI2026-10-23: 313 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, 2026Viewing313-182
Oct 21, 2026495+243
Oct 16, 2026252+45
Oct 15, 2026207+3
Oct 14, 20262040
Oct 13, 2026204+57
Oct 09, 2026147+4
Oct 08, 20261430
Oct 07, 20261430
Oct 06, 2026143+37
Oct 05, 20261060
Oct 02, 2026106No prior observation