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Donegal Group Inc DGICA 19.36 0.1 0.52%

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

DGICA / Comparative study

3 signals / 509 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z 1.78
33.63
Mean
13.57
Window
+1114.1%
ATM IV z -0.32
0.62
Mean
0.81
Window
+49.8%
IV Percentile z 0.70
64.34
Mean
45.06
Window
+237.7%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.62 0.71
ATM IV 0.62 1.00 0.81
IV Percent... 0.71 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 19.36 33.63 0.62 64.34
2026-09-10 19.26 32.6 0.6 62.79
2026-09-09 19 35.66 0.65 69.77
2026-09-08 19 33.4 0.62 63.18
2026-09-07 19.45 39.53 0.7 74.71
2026-09-04 19.45 33.95 0.62 64.73
2026-09-03 19.42 19.07 0.41 35.66
2026-09-02 19.35 18.62 0.4 34.5
2026-09-01 19.17 21.33 0.44 43.19
2026-08-31 19.12 20.84 0.43 41.41
2026-08-28 19.24 17.58 0.39 31.13
2026-08-27 18.98 27.56 0.53 53.7
2026-08-26 19.1 40.29 0.72 75.1
2026-08-25 19.13 26.9 0.52 53.31
2026-08-24 18.98 18.17 0.4 33.59
2026-08-21 18.67 39.51 0.7 72.76
2026-08-20 18.67 30.85 0.58 59.53
2026-08-19 18.51 24.69 0.49 49.81
2026-08-18 18.61 24.94 0.49 49.81
2026-08-17 18.46 40.01 0.71 75
2026-08-14 18.75 20.31 0.43 40.47
2026-08-13 18.75 26.73 0.52 52.92
2026-08-12 18.65 18.33 0.4 34.63
2026-08-11 18.68 28.02 0.54 54.86
2026-08-10 18.67 41.38 0.73 75
2026-08-07 19.24 28.24 0.54 55.25
2026-08-06 19.53 6.4 0.23 5.06
2026-08-05 19.64 34.3 0.63 61.87
2026-08-04 19.46 29.58 0.56 56.42
2026-08-03 19.76 18.94 0.41 35.55
2026-07-31 19.74 10.67 0.29 12.45
2026-07-30 19.76 2 0.16 0.78
2026-07-29 19.31 16.34 0.37 26.85
2026-07-28 19.2 17.16 0.38 29.18
2026-07-27 18.91 20.15 0.42 36.33
2026-07-24 18.76 20.31 0.43 36.96
2026-07-23 18.44 23.51 0.47 43.58
2026-07-22 18.17 17.47 0.51 47.86
2026-07-21 18.57 14.02 0.44 38.91
2026-07-20 18.61 13.03 0.41 34.77
2026-07-17 18.71 30.61 0.8 77.04
2026-07-16 18.62 11.53 0.38 29.18
2026-07-15 18.02 7.17 0.29 12.06
2026-07-14 18.76 11.93 0.39 31.13
2026-07-13 19.14 14.01 0.44 37.11
2026-07-10 18.87 11.26 0.39 29.96
2026-07-09 18.88 11.12 0.38 28.79
2026-07-08 18.99 9.49 0.35 22.18
2026-07-07 19.24 12.7 0.42 32.68
2026-07-02 19.29 35.04 0.92 81.01