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Contract OI history

Back to BRK.B

Dec 18, 2026 EXPIRATION

BRK.B $570.00 Call

BRKB261218C00570000

Latest saved OI632Oct 23, 2026
Last change+33vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $570.00 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. 6323160 2026-10-02: 501 OI2026-10-05: 501 OI2026-10-06: 503 OI2026-10-07: 502 OI2026-10-08: 502 OI2026-10-09: 508 OI2026-10-13: 517 OI2026-10-14: 517 OI2026-10-15: 517 OI2026-10-16: 504 OI2026-10-21: 599 OI2026-10-23: 632 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, 2026Viewing632+33
Oct 21, 2026599+95
Oct 16, 2026504-13
Oct 15, 20265170
Oct 14, 20265170
Oct 13, 2026517+9
Oct 09, 2026508+6
Oct 08, 20265020
Oct 07, 2026502-1
Oct 06, 2026503+2
Oct 05, 20265010
Oct 02, 2026501No prior observation