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Contract OI history

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Dec 18, 2026 EXPIRATION

FBIO $2.50 Call

FBIO261218C00002500

Latest saved OI757Oct 20, 2026
Last change+1vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FBIO $2.50 call open interest history 5 saved observations from 2026-10-09 to 2026-10-20. Exact values and changes are listed in the table below. 7573780 2026-10-09: 745 OI2026-10-13: 756 OI2026-10-14: 756 OI2026-10-16: 756 OI2026-10-20: 757 OI Oct 09, 2026Oct 20, 2026

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

FBIO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing757+1
Oct 16, 20267560
Oct 14, 20267560
Oct 13, 2026756+11
Oct 09, 2026745No prior observation