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Contract OI history

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Nov 20, 2026 EXPIRATION

BRKR $55.00 Put

BRKR261120P00055000

Latest saved OI15Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BRKR $55.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1570 2026-10-09: 6 OI2026-10-13: 6 OI2026-10-14: 6 OI2026-10-15: 6 OI2026-10-16: 12 OI2026-10-21: 12 OI2026-10-23: 15 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, 2026Viewing15+3
Oct 21, 2026120
Oct 16, 202612+6
Oct 15, 202660
Oct 14, 202660
Oct 13, 202660
Oct 09, 20266No prior observation