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Qualys QLYS 150.28 -11.29 -6.99%

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

QLYS / Comparative study

3 signals / 503 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.76
20.28
Mean
39.04
Window
-8.9%
ATM IV z 0.23
0.44
Mean
0.41
Window
+54.4%
IV Percentile z -0.70
37.7
Mean
58.95
Window
+5.6%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.63 0.83
ATM IV 0.63 1.00 0.86
IV Percent... 0.83 0.86 1.00
Source observations

Data inspector

1-50 of 503
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-11 150.28 20.28 0.44 37.7
2026-09-10 161.57 23.94 0.49 51.19
2026-09-09 170.17 24.06 0.49 52.78
2026-09-08 170.32 24.71 0.5 56.35
2026-09-07 171.65 19.49 0.43 35.46
2026-09-04 171.65 21.78 0.46 42.86
2026-09-03 174.35 20.76 0.45 40.08
2026-09-02 170.83 21.36 0.46 42.06
2026-09-01 177.01 22.44 0.47 45.02
2026-08-31 186.14 21.36 0.46 42
2026-08-28 187.05 20.57 0.45 41.04
2026-08-27 188.59 19.66 0.44 39.84
2026-08-26 176.67 23.95 0.49 52.19
2026-08-25 175.94 19.53 0.44 39.44
2026-08-24 178.46 21.53 0.46 42.8
2026-08-21 181.98 20.91 0.45 42.23
2026-08-20 182.21 22.17 0.47 44.62
2026-08-19 186.68 19.49 0.43 40.24
2026-08-18 187.98 19.16 0.43 39.84
2026-08-17 183.31 21.65 0.46 43.6
2026-08-14 186.05 19.65 0.44 41.83
2026-08-13 195.88 19.49 0.44 41.43
2026-08-12 187.15 19.72 0.44 42.23
2026-08-11 188.31 19.78 0.44 42.63
2026-08-10 185.8 24.16 0.49 54
2026-08-07 183.48 23.19 0.48 49.4
2026-08-06 181.78 25.5 0.51 58.96
2026-08-05 183.25 27.64 0.54 64.14
2026-08-04 161.06 32.53 0.6 83.67
2026-08-03 154.89 37.92 0.66 94.4
2026-07-31 144.75 35.62 0.63 90.84
2026-07-30 141.71 33.25 0.6 86.45
2026-07-29 135.13 36.32 0.64 93.23
2026-07-28 135.75 39.06 0.68 96.81
2026-07-27 134.79 40.92 0.7 98.8
2026-07-24 137.48 37.76 0.66 94.82
2026-07-23 133.74 39.81 0.68 98.8
2026-07-22 140.23 34.67 0.62 91.63
2026-07-21 143.78 37.91 0.66 95.62
2026-07-20 156.37 35.91 0.64 94
2026-07-17 159.43 32.42 0.59 88.05
2026-07-16 157.56 33.98 0.61 91.63
2026-07-15 159.32 33.03 0.6 90.04
2026-07-14 164.12 35.38 0.63 93.23
2026-07-13 151.54 31.85 0.59 88.4
2026-07-10 152.69 29.95 0.56 83.27
2026-07-09 159.39 29.8 0.56 82.47
2026-07-08 153.54 31.52 0.58 87.25
2026-07-07 157.55 31.83 0.59 88.45
2026-07-02 148.12 25.83 0.51 68.65