Contract OI history

Back to BRK.B

Mar 19, 2027 EXPIRATION

BRK.B $360.00 Put

BRKB270319P00360000

Latest saved OI223Oct 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 $360.00 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. 2231110 2026-10-02: 185 OI2026-10-05: 218 OI2026-10-06: 218 OI2026-10-07: 218 OI2026-10-08: 218 OI2026-10-09: 223 OI2026-10-13: 223 OI2026-10-14: 223 OI2026-10-15: 223 OI2026-10-16: 223 OI2026-10-21: 223 OI2026-10-23: 223 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, 2026Viewing2230
Oct 21, 20262230
Oct 16, 20262230
Oct 15, 20262230
Oct 14, 20262230
Oct 13, 20262230
Oct 09, 2026223+5
Oct 08, 20262180
Oct 07, 20262180
Oct 06, 20262180
Oct 05, 2026218+33
Oct 02, 2026185No prior observation