Contract OI history

Back to BRK.B

Jan 21, 2028 EXPIRATION

BRK.B $460.00 Put

BRKB280121P00460000

Latest saved OI513Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $460.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5132560 2026-10-02: 291 OI2026-10-05: 291 OI2026-10-06: 292 OI2026-10-07: 293 OI2026-10-08: 293 OI2026-10-09: 316 OI2026-10-13: 408 OI2026-10-14: 408 OI2026-10-15: 408 OI2026-10-16: 480 OI2026-10-21: 513 OI2026-10-23: 513 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, 2026Viewing5130
Oct 21, 2026513+33
Oct 16, 2026480+72
Oct 15, 20264080
Oct 14, 20264080
Oct 13, 2026408+92
Oct 09, 2026316+23
Oct 08, 20262930
Oct 07, 2026293+1
Oct 06, 2026292+1
Oct 05, 20262910
Oct 02, 2026291No prior observation