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Contract OI history

Back to BRK.B

Sep 17, 2027 EXPIRATION

BRK.B $620.00 Call

BRKB270917C00620000

Latest saved OI212Oct 23, 2026
Last change+27vs 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. 2121060 2026-10-02: 167 OI2026-10-05: 167 OI2026-10-06: 167 OI2026-10-07: 167 OI2026-10-08: 167 OI2026-10-09: 172 OI2026-10-13: 172 OI2026-10-14: 172 OI2026-10-15: 172 OI2026-10-16: 174 OI2026-10-21: 185 OI2026-10-23: 212 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, 2026Viewing212+27
Oct 21, 2026185+11
Oct 16, 2026174+2
Oct 15, 20261720
Oct 14, 20261720
Oct 13, 20261720
Oct 09, 2026172+5
Oct 08, 20261670
Oct 07, 20261670
Oct 06, 20261670
Oct 05, 20261670
Oct 02, 2026167No prior observation