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CMS Energy Corporation CMS 67.5 -0.18 -0.27%

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

CMS / Comparative study

3 signals / 509 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z 0.54
27.64
Mean
19.35
Window
+9.2%
ATM IV z -0.17
0.21
Mean
0.22
Window
-23.9%
IV Percentile z 0.44
60.85
Mean
48.37
Window
-24.5%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.91 0.85
ATM IV 0.91 1.00 0.81
IV Percent... 0.85 0.81 1.00
Source observations

Data inspector

1-50 of 509
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-11 67.5 27.64 0.21 60.85
2026-09-10 67.68 42.71 0.25 91.09
2026-09-09 68.17 26.81 0.21 62.4
2026-09-08 68.79 43.58 0.26 94.19
2026-09-07 68.46 17.96 0.18 34.24
2026-09-04 68.46 11.63 0.16 16.67
2026-09-03 68.59 4.73 0.14 10.08
2026-09-02 68.06 13.34 0.17 21.71
2026-09-01 67.96 11.17 0.16 15.95
2026-08-31 68.06 13.52 0.17 21.88
2026-08-28 68.21 12.85 0.17 19.84
2026-08-27 68.35 28.82 0.22 69.26
2026-08-26 69.23 12.25 0.17 17.9
2026-08-25 68.74 13.48 0.17 21.79
2026-08-24 68.42 15.86 0.18 28.13
2026-08-21 68.27 12.59 0.17 19.84
2026-08-20 69.83 15.67 0.18 28.4
2026-08-19 70.61 22.19 0.2 47.86
2026-08-18 71.06 18.01 0.18 35.02
2026-08-17 71.4 16.9 0.18 32.81
2026-08-14 71.11 18.4 0.19 36.19
2026-08-13 70.51 18.66 0.19 36.96
2026-08-12 70.02 19.7 0.19 40.47
2026-08-11 69.62 22.71 0.2 49.81
2026-08-10 69.06 15.41 0.18 30.86
2026-08-07 71.03 18.35 0.19 36.96
2026-08-06 71.2 32.44 0.23 79.77
2026-08-05 71.59 30.9 0.22 75.1
2026-08-04 71.73 24.75 0.2 58.75
2026-08-03 71.74 29.45 0.22 71.48
2026-07-31 71.99 42.2 0.26 93.39
2026-07-30 72.26 33.96 0.23 84.05
2026-07-29 74.36 13.96 0.17 28.79
2026-07-28 74.37 24.27 0.2 56.03
2026-07-27 74.27 24.41 0.2 57.03
2026-07-24 74.7 32.44 0.23 78.6
2026-07-23 74.15 29.84 0.22 71.98
2026-07-22 73.98 20.63 0.19 43.19
2026-07-21 72.5 32.42 0.25 88.72
2026-07-20 72.88 37.21 0.26 92.97
2026-07-17 73.65 20.62 0.2 58.37
2026-07-16 74.39 18 0.19 47.47
2026-07-15 74.02 24.27 0.22 69.65
2026-07-14 75.08 19.86 0.2 54.86
2026-07-13 75.75 11.7 0.17 29.69
2026-07-10 75.4 2.23 0.14 9.34
2026-07-09 75 25.79 0.22 72.37
2026-07-08 76.19 24.6 0.22 69.26
2026-07-07 77.02 30.27 0.24 82.88
2026-07-02 77.73 23.46 0.21 67.05