OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

CDNA $55.00 Call

CDNA261120C00055000

Latest saved OI408Oct 23, 2026
Last change-42vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CDNA $55.00 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. 4532260 2026-10-08: 453 OI2026-10-09: 453 OI2026-10-13: 453 OI2026-10-14: 453 OI2026-10-16: 450 OI2026-10-20: 450 OI2026-10-23: 408 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, 2026Viewing408-42
Oct 20, 20264500
Oct 16, 2026450-3
Oct 14, 20264530
Oct 13, 20264530
Oct 09, 20264530
Oct 08, 2026453No prior observation