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Contract OI history

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Dec 18, 2026 EXPIRATION

BRKR $55.00 Call

BRKR261218C00055000

Latest saved OI45Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BRKR $55.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 47230 2026-10-09: 45 OI2026-10-13: 45 OI2026-10-14: 45 OI2026-10-15: 47 OI2026-10-16: 47 OI2026-10-21: 46 OI2026-10-23: 45 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BRKR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing45-1
Oct 21, 202646-1
Oct 16, 2026470
Oct 15, 202647+2
Oct 14, 2026450
Oct 13, 2026450
Oct 09, 202645No prior observation