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Companhia Energetica De Minas Gerais-CEMIG CIG 2.15 0.01 0.47%

CIG Historical Options Analysis

Explore CIG (Companhia Energetica De Minas Gerais-CEMIG) historical options data, volatility, Greeks and positioning. Compare signals over time in the free Historical Lab preview.

Previous-day view · Mon Sep 21 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

CIG / Comparative study

3 signals / 507 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.60
6.74
Mean
15.17
Window
+193.0%
ATM IV z -0.72
0.38
Mean
0.71
Window
+14.7%
IV Percentile z -1.32
16.33
Mean
55.48
Window
+63.3%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.92 0.59
ATM IV 0.92 1.00 0.69
IV Percent... 0.59 0.69 1.00
Source observations

Data inspector

1-50 of 507
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-21 2.15 6.74 0.38 16.33
2026-09-18 2.14 7.17 0.39 18.25
2026-09-17 2.15 6.14 0.35 11.9
2026-09-16 2.16 19.66 0.9 78.57
2026-09-15 2.1 23.27 1.04 86.51
2026-09-14 2.15 19.62 0.9 78.88
2026-09-11 2.2 12 0.59 36.9
2026-09-10 2.21 13.4 0.65 42.46
2026-09-09 2.17 16.92 0.79 67.86
2026-09-08 2.24 11.44 0.57 35.32
2026-09-07 2.14 18.77 0.86 76.1
2026-09-04 2.14 17.45 0.81 70.63
2026-09-03 2.15 16.67 0.78 67.86
2026-09-02 2.13 17.56 0.81 71.03
2026-09-01 2.06 21.25 0.96 83.27
2026-08-31 2.02 24.59 1.1 88.8
2026-08-28 1.99 23.35 1.05 87.25
2026-08-27 1.97 14.88 0.71 60.16
2026-08-26 1.98 23 1.03 86.85
2026-08-25 2.02 22.22 1 86.45
2026-08-24 1.95 16.31 0.76 69.6
2026-08-21 1.92 13.14 0.63 44.62
2026-08-20 1.88 10.19 0.52 35.06
2026-08-19 1.93 13.63 0.65 48.21
2026-08-18 1.9 11.72 0.58 42.63
2026-08-17 1.92 31.35 1.37 94.8
2026-08-14 1.93 9.18 0.48 32.27
2026-08-13 1.95 10.73 0.54 38.65
2026-08-12 1.96 9.78 0.5 35.46
2026-08-11 1.97 14.81 0.7 61.35
2026-08-10 2.04 16.18 0.76 70
2026-08-07 2.1 14.96 0.71 62.55
2026-08-06 2.14 14.63 0.69 59.36
2026-08-05 2.14 14.06 0.67 54.58
2026-08-04 2.15 14.16 0.68 55.78
2026-08-03 2.18 13.75 0.66 52.4
2026-07-31 2.19 69.16 2.89 98.8
2026-07-30 2.17 14.52 0.69 58.17
2026-07-29 2.12 13.55 0.65 51.39
2026-07-28 2.17 8.36 0.44 31.08
2026-07-27 2.16 9.11 0.47 34.4
2026-07-24 2.13 14.19 0.68 56.57
2026-07-23 2.17 10.49 0.53 40.24
2026-07-22 2.21 56.81 2.39 98.8
2026-07-21 2.15 5.88 0.34 17.13
2026-07-20 2.15 5.76 0.34 16
2026-07-17 2.14 6.24 0.36 18.73
2026-07-16 2.14 6.12 0.35 17.13
2026-07-15 2.16 7.28 0.4 25.9
2026-07-14 2.18 23.17 1.04 88.45