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Contract OI history

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Dec 18, 2026 EXPIRATION

CGEN $2.50 Call

CGEN261218C00002500

Latest saved OI781Oct 23, 2026
Last change+109vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CGEN $2.50 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. 7813900 2026-10-09: 759 OI2026-10-13: 671 OI2026-10-14: 671 OI2026-10-16: 671 OI2026-10-20: 672 OI2026-10-23: 781 OI Oct 09, 2026Oct 23, 2026

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

CGEN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing781+109
Oct 20, 2026672+1
Oct 16, 20266710
Oct 14, 20266710
Oct 13, 2026671-88
Oct 09, 2026759No prior observation