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CareDx CDNA 53.55 0.91 1.73%

Previous-day view · Wed Sep 16 close. You are previewing the previous trading day. Subscribe to see today live and every other date — plans start at Delta, $39/mo. Sign up Sign in
Group
Window
Scale
Plotted 3/8
Metric library

Volatility

Interactive timeline

CDNA / Comparative study

3 signals / 503 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.90
7.59
Mean
19.76
Window
-61.0%
ATM IV z -1.65
0.41
Mean
0.87
Window
-62.8%
IV Percentile z -1.23
5.16
Mean
42.27
Window
-93.2%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.75 0.76
ATM IV 0.75 1.00 0.89
IV Percent... 0.76 0.89 1.00
Source observations

Data inspector

1-50 of 503
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-16 53.55 7.59 0.41 5.16
2026-09-15 52.64 7.98 0.42 5.16
2026-09-14 52.37 23.88 0.68 31.47
2026-09-11 50.26 9.46 0.44 7.14
2026-09-10 50.02 7.1 0.41 3.97
2026-09-09 50.03 7.59 0.41 4.37
2026-09-08 50.31 5.37 0.38 1.98
2026-09-07 50.88 5.58 0.38 2.39
2026-09-04 50.88 4.74 0.37 0.4
2026-09-03 49.86 7.2 0.41 2.78
2026-09-02 49.6 8.7 0.43 3.57
2026-09-01 48.97 12.36 0.49 6.77
2026-08-31 50.11 18.17 0.59 14.4
2026-08-28 49.79 5.57 0.38 1.59
2026-08-27 52.36 8 0.42 2.39
2026-08-26 50.96 5.27 0.38 1.2
2026-08-25 50.8 4.98 0.37 0.4
2026-08-24 47.5 6.91 0.4 1.2
2026-08-21 48.61 5.02 0.37 0.4
2026-08-20 46.99 12.03 0.49 3.59
2026-08-19 46.51 9.61 0.45 1.99
2026-08-18 46.18 8.6 0.43 0.8
2026-08-17 46.38 13.42 0.51 5.2
2026-08-14 45.32 11.25 0.47 2.39
2026-08-13 47.38 12.62 0.5 3.59
2026-08-12 47.31 12.53 0.49 3.19
2026-08-11 47.23 17.36 0.57 8.76
2026-08-10 47.07 10.98 0.47 2
2026-08-07 46.69 17.58 0.58 8.37
2026-08-06 44.81 13.04 0.5 3.19
2026-08-05 45.5 9 0.44 1.2
2026-08-04 47.09 12.37 0.49 1.99
2026-08-03 47.85 13.76 0.51 2.8
2026-07-31 43.71 18.11 0.59 7.57
2026-07-30 38.1 51.81 1.14 89.64
2026-07-29 35.41 27.18 0.73 36.25
2026-07-28 35.75 24.02 0.68 23.9
2026-07-27 36.36 23.79 0.68 23.2
2026-07-24 37.14 18.42 0.59 7.97
2026-07-23 37.61 19 0.6 9.96
2026-07-22 37.78 20.38 0.62 11.95
2026-07-21 38.54 24.81 0.7 25.1
2026-07-20 38.37 18.57 0.59 8.4
2026-07-17 39.73 24.05 0.68 21.91
2026-07-16 40.34 32.78 0.83 54.18
2026-07-15 29.75 30.83 0.79 45.82
2026-07-14 28.93 38.17 0.91 66.53
2026-07-13 28.76 28.23 0.75 38
2026-07-10 28.51 37.83 0.91 66.14
2026-07-09 29.11 32.7 0.82 53.39