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Contract OI history

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Nov 20, 2026 EXPIRATION

CDNA $70.00 Call

CDNA261120C00070000

Latest saved OI131Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CDNA $70.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 131650 2026-10-08: 46 OI2026-10-09: 46 OI2026-10-13: 60 OI2026-10-14: 60 OI2026-10-16: 60 OI2026-10-20: 128 OI2026-10-23: 131 OI Oct 08, 2026Oct 23, 2026

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

CDNA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing131+3
Oct 20, 2026128+68
Oct 16, 2026600
Oct 14, 2026600
Oct 13, 202660+14
Oct 09, 2026460
Oct 08, 202646No prior observation