OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Dec 15, 2028 EXPIRATION

BRK.B $650.00 Call

BRKB281215C00650000

Latest saved OI354Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $650.00 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. 3541770 2026-10-02: 339 OI2026-10-05: 339 OI2026-10-06: 320 OI2026-10-07: 320 OI2026-10-08: 320 OI2026-10-09: 331 OI2026-10-13: 343 OI2026-10-14: 343 OI2026-10-15: 343 OI2026-10-16: 345 OI2026-10-21: 352 OI2026-10-23: 354 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, 2026Viewing354+2
Oct 21, 2026352+7
Oct 16, 2026345+2
Oct 15, 20263430
Oct 14, 20263430
Oct 13, 2026343+12
Oct 09, 2026331+11
Oct 08, 20263200
Oct 07, 20263200
Oct 06, 2026320-19
Oct 05, 20263390
Oct 02, 2026339No prior observation