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Contract OI history

Back to BRK.B

Jan 21, 2028 EXPIRATION

BRK.B $550.00 Call

BRKB280121C00550000

Latest saved OI14,637Oct 23, 2026
Last change+1,222vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $550.00 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. 14,6377,3180 2026-10-02: 5,001 OI2026-10-05: 5,035 OI2026-10-06: 5,061 OI2026-10-07: 5,076 OI2026-10-08: 5,076 OI2026-10-09: 5,095 OI2026-10-13: 5,126 OI2026-10-14: 5,126 OI2026-10-15: 5,104 OI2026-10-16: 5,106 OI2026-10-21: 13,415 OI2026-10-23: 14,637 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, 2026Viewing14,637+1,222
Oct 21, 202613,415+8,309
Oct 16, 20265,106+2
Oct 15, 20265,104-22
Oct 14, 20265,1260
Oct 13, 20265,126+31
Oct 09, 20265,095+19
Oct 08, 20265,0760
Oct 07, 20265,076+15
Oct 06, 20265,061+26
Oct 05, 20265,035+34
Oct 02, 20265,001No prior observation