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Contract OI history

Back to BRK.B

Jun 17, 2027 EXPIRATION

BRK.B $570.00 Call

BRKB270617C00570000

Latest saved OI552Oct 23, 2026
Last change+21vs 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. 5522760 2026-10-02: 522 OI2026-10-05: 528 OI2026-10-06: 531 OI2026-10-07: 532 OI2026-10-08: 532 OI2026-10-09: 532 OI2026-10-13: 531 OI2026-10-14: 531 OI2026-10-15: 531 OI2026-10-16: 528 OI2026-10-21: 531 OI2026-10-23: 552 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, 2026Viewing552+21
Oct 21, 2026531+3
Oct 16, 2026528-3
Oct 15, 20265310
Oct 14, 20265310
Oct 13, 2026531-1
Oct 09, 20265320
Oct 08, 20265320
Oct 07, 2026532+1
Oct 06, 2026531+3
Oct 05, 2026528+6
Oct 02, 2026522No prior observation