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Contract OI history

Back to BRK.B

Sep 17, 2027 EXPIRATION

BRK.B $540.00 Call

BRKB270917C00540000

Latest saved OI285Oct 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 $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. 2851420 2026-10-02: 262 OI2026-10-05: 276 OI2026-10-06: 276 OI2026-10-07: 277 OI2026-10-08: 277 OI2026-10-09: 279 OI2026-10-13: 280 OI2026-10-14: 280 OI2026-10-15: 281 OI2026-10-16: 284 OI2026-10-21: 285 OI2026-10-23: 285 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, 2026Viewing2850
Oct 21, 2026285+1
Oct 16, 2026284+3
Oct 15, 2026281+1
Oct 14, 20262800
Oct 13, 2026280+1
Oct 09, 2026279+2
Oct 08, 20262770
Oct 07, 2026277+1
Oct 06, 20262760
Oct 05, 2026276+14
Oct 02, 2026262No prior observation