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Contract OI history

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Jan 15, 2027 EXPIRATION

BIOA $10.00 Put

BIOA270115P00010000

Latest saved OI104Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
BIOA $10.00 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. 104520 2026-10-08: 103 OI2026-10-09: 103 OI2026-10-13: 103 OI2026-10-14: 104 OI2026-10-16: 104 OI2026-10-20: 104 OI2026-10-23: 104 OI Oct 08, 2026Oct 23, 2026

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

BIOA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1040
Oct 20, 20261040
Oct 16, 20261040
Oct 14, 2026104+1
Oct 13, 20261030
Oct 09, 20261030
Oct 08, 2026103No prior observation