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Contract OI history

Back to BRK.B

Oct 30, 2026 EXPIRATION

BRK.B $540.00 Call

BRKB261030C00540000

Latest saved OI833Oct 23, 2026
Last change-56vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $540.00 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. 8894440 2026-10-02: 76 OI2026-10-05: 74 OI2026-10-06: 111 OI2026-10-07: 110 OI2026-10-08: 110 OI2026-10-09: 126 OI2026-10-13: 332 OI2026-10-14: 332 OI2026-10-15: 361 OI2026-10-16: 518 OI2026-10-21: 889 OI2026-10-23: 833 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, 2026Viewing833-56
Oct 21, 2026889+371
Oct 16, 2026518+157
Oct 15, 2026361+29
Oct 14, 20263320
Oct 13, 2026332+206
Oct 09, 2026126+16
Oct 08, 20261100
Oct 07, 2026110-1
Oct 06, 2026111+37
Oct 05, 202674-2
Oct 02, 202676No prior observation