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Contract OI history

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Nov 20, 2026 EXPIRATION

BBIO $65.00 Put

BBIO261120P00065000

Latest saved OI512Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
BBIO $65.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 5122560 2026-10-08: 482 OI2026-10-09: 483 OI2026-10-13: 484 OI2026-10-14: 489 OI2026-10-16: 486 OI2026-10-21: 511 OI2026-10-23: 512 OI Oct 08, 2026Oct 23, 2026

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

BBIO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing512+1
Oct 21, 2026511+25
Oct 16, 2026486-3
Oct 14, 2026489+5
Oct 13, 2026484+1
Oct 09, 2026483+1
Oct 08, 2026482No prior observation