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ARK Innovation ETF ARKK 83.36 0.3 0.36%

Previous-day view · Fri Sep 11 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

ARKK / Comparative study

3 signals / 509 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.14
39.52
Mean
41.79
Window
-8.9%
ATM IV z -1.00
0.35
Mean
0.41
Window
-7.0%
IV Percentile z -1.58
10.85
Mean
55.48
Window
-81.8%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.67 0.55
ATM IV 0.67 1.00 0.78
IV Percent... 0.55 0.78 1.00
Source observations

Data inspector

1-50 of 509
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-11 83.36 39.52 0.35 10.85
2026-09-10 83.06 41.87 0.36 15.89
2026-09-09 84.56 42.89 0.37 16.67
2026-09-08 86.08 43.44 0.37 17.44
2026-09-07 85.95 44.06 0.37 17.9
2026-09-04 86.22 37.92 0.34 7.36
2026-09-03 87.14 37.99 0.34 7.36
2026-09-02 83.39 39.49 0.35 9.69
2026-09-01 83.08 41.22 0.36 14.4
2026-08-31 85.57 41.44 0.36 14.84
2026-08-28 84.59 36.63 0.34 4.28
2026-08-27 87.38 44.9 0.37 19.46
2026-08-26 85.78 40.92 0.36 12.45
2026-08-25 86.37 41.68 0.36 15.56
2026-08-24 83.92 41.1 0.36 13.67
2026-08-21 86.21 40.22 0.35 10.89
2026-08-20 83.27 38.12 0.35 7.39
2026-08-19 83.31 38.83 0.35 8.17
2026-08-18 79.15 36.54 0.34 3.89
2026-08-17 81.75 34.71 0.33 1.95
2026-08-14 81.1 32.64 0.32 1.56
2026-08-13 82.59 39.21 0.35 7.39
2026-08-12 81.37 38.05 0.34 5.84
2026-08-11 80.6 41.5 0.36 11.67
2026-08-10 80.44 42.91 0.37 13.28
2026-08-07 79.43 45.06 0.37 16.34
2026-08-06 75.73 49.66 0.39 33.07
2026-08-05 76.18 50.42 0.4 34.24
2026-08-04 76.76 50.91 0.4 35.8
2026-08-03 73.54 49.15 0.39 30.47
2026-07-31 71.24 46.48 0.38 20.62
2026-07-30 72.9 53.41 0.41 47.08
2026-07-29 70.58 51.07 0.4 36.19
2026-07-28 72.45 66.13 0.46 80.54
2026-07-27 72.53 52.84 0.41 44.92
2026-07-24 71.89 54.75 0.41 51.36
2026-07-23 73.83 51.84 0.4 42.02
2026-07-22 76.03 57.16 0.42 58.37
2026-07-21 77.69 49.5 0.39 31.91
2026-07-20 74.95 48.32 0.39 26.56
2026-07-17 75.2 47.76 0.39 24.12
2026-07-16 76.67 42.27 0.36 12.06
2026-07-15 79.6 51.43 0.4 36.96
2026-07-14 79.52 51.77 0.4 38.52
2026-07-13 78.24 56.12 0.42 55.47
2026-07-10 80.25 48.56 0.39 26.46
2026-07-09 81.53 56.49 0.42 56.81
2026-07-08 80.16 58.46 0.43 61.87
2026-07-07 81.19 51.13 0.4 35.02
2026-07-02 81.25 47.83 0.39 23.64