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Contract OI history

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Jan 21, 2028 EXPIRATION

BBIO $75.00 Put

BBIO280121P00075000

Latest saved OI201Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
BBIO $75.00 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. 2011000 2026-10-08: 151 OI2026-10-09: 201 OI2026-10-13: 201 OI2026-10-14: 201 OI2026-10-16: 201 OI2026-10-21: 201 OI2026-10-23: 201 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, 2026Viewing2010
Oct 21, 20262010
Oct 16, 20262010
Oct 14, 20262010
Oct 13, 20262010
Oct 09, 2026201+50
Oct 08, 2026151No prior observation