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Contract OI history

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Dec 18, 2026 EXPIRATION

ZBIO $30.00 Call

ZBIO261218C00030000

Latest saved OI130Oct 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 $30.00 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. 130650 2026-10-09: 129 OI2026-10-13: 129 OI2026-10-14: 129 OI2026-10-16: 129 OI2026-10-20: 129 OI2026-10-23: 130 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, 2026Viewing130+1
Oct 20, 20261290
Oct 16, 20261290
Oct 14, 20261290
Oct 13, 20261290
Oct 09, 2026129No prior observation