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Contract OI history

Back to BRK.B

Jun 17, 2027 EXPIRATION

BRK.B $660.00 Call

BRKB270617C00660000

Latest saved OI183Oct 23, 2026
Last change-65vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $660.00 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. 2511250 2026-10-02: 127 OI2026-10-05: 127 OI2026-10-06: 127 OI2026-10-07: 251 OI2026-10-08: 251 OI2026-10-09: 251 OI2026-10-13: 251 OI2026-10-14: 251 OI2026-10-15: 250 OI2026-10-16: 248 OI2026-10-21: 248 OI2026-10-23: 183 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, 2026Viewing183-65
Oct 21, 20262480
Oct 16, 2026248-2
Oct 15, 2026250-1
Oct 14, 20262510
Oct 13, 20262510
Oct 09, 20262510
Oct 08, 20262510
Oct 07, 2026251+124
Oct 06, 20261270
Oct 05, 20261270
Oct 02, 2026127No prior observation