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Contract OI history

Back to BRK.B

Dec 15, 2028 EXPIRATION

BRK.B $620.00 Call

BRKB281215C00620000

Latest saved OI265Oct 23, 2026
Last change+10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $620.00 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. 2651320 2026-10-02: 256 OI2026-10-05: 256 OI2026-10-06: 256 OI2026-10-07: 256 OI2026-10-08: 256 OI2026-10-09: 256 OI2026-10-13: 255 OI2026-10-14: 255 OI2026-10-15: 258 OI2026-10-16: 258 OI2026-10-21: 255 OI2026-10-23: 265 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, 2026Viewing265+10
Oct 21, 2026255-3
Oct 16, 20262580
Oct 15, 2026258+3
Oct 14, 20262550
Oct 13, 2026255-1
Oct 09, 20262560
Oct 08, 20262560
Oct 07, 20262560
Oct 06, 20262560
Oct 05, 20262560
Oct 02, 2026256No prior observation