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Contract OI history

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Nov 20, 2026 EXPIRATION

OBIO $10.00 Call

OBIO261120C00010000

Latest saved OI120Oct 23, 2026
Last change+120vs previous saved observation
Saved market days7Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
OBIO $10.00 call open interest history 7 saved observations from 2026-10-07 to 2026-10-23. Exact values and changes are listed in the table below. 120600 2026-10-07: 0 OI2026-10-09: 0 OI2026-10-13: 0 OI2026-10-14: 0 OI2026-10-16: 0 OI2026-10-20: 0 OI2026-10-23: 120 OI Oct 07, 2026Oct 23, 2026

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

OBIO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026120+120
Oct 20, 2026Viewing00
Oct 16, 202600
Oct 14, 202600
Oct 13, 202600
Oct 09, 202600
Oct 07, 20260No prior observation