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Contract OI history

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Dec 17, 2027 EXPIRATION

ZBIO $35.00 Call

ZBIO271217C00035000

Latest saved OI1,001Oct 23, 2026
Last change+1vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZBIO $35.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,0015000 2026-10-09: 982 OI2026-10-13: 982 OI2026-10-14: 1,000 OI2026-10-16: 1,000 OI2026-10-20: 1,000 OI2026-10-23: 1,001 OI Oct 09, 2026Oct 23, 2026

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

ZBIO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261,001+1
Oct 20, 2026Viewing1,0000
Oct 16, 20261,0000
Oct 14, 20261,000+18
Oct 13, 20269820
Oct 09, 2026982No prior observation