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Group 1 Automotive GPI 279.0 -2.84 -1.01%

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

GPI / Comparative study

3 signals / 503 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z 0.10
42.45
Mean
39.97
Window
-16.8%
ATM IV z 1.22
0.44
Mean
0.37
Window
+28.1%
IV Percentile z 0.82
84.13
Mean
61.98
Window
+30.1%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.91 0.84
ATM IV 0.91 1.00 0.90
IV Percent... 0.84 0.90 1.00
Source observations

Data inspector

1-50 of 503
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-11 279 42.45 0.44 84.13
2026-09-10 281.84 39.46 0.43 77.38
2026-09-09 287.72 37.41 0.42 75.79
2026-09-08 281.6 42.95 0.44 85.32
2026-09-07 300.76 100 0.66 100
2026-09-04 300.76 66.54 0.43 78.97
2026-09-03 284.33 51.6 0.4 63.1
2026-09-02 276.41 64.8 0.43 78.17
2026-09-01 269.5 69.28 0.44 81.67
2026-08-31 269.54 67.82 0.43 80.8
2026-08-28 263.95 49.74 0.39 61.35
2026-08-27 262.04 66.97 0.43 80.08
2026-08-26 262.63 82.13 0.47 93.63
2026-08-25 264.81 89.76 0.48 99.2
2026-08-24 259.38 72.43 0.44 87.6
2026-08-21 261.85 43.43 0.38 51.39
2026-08-20 263.82 78.85 0.46 93.63
2026-08-19 263.87 77.78 0.46 93.23
2026-08-18 250.01 69.34 0.44 84.06
2026-08-17 259.68 73.89 0.45 90
2026-08-14 263.95 76.59 0.45 91.24
2026-08-13 263.01 73.17 0.45 89.64
2026-08-12 266.11 77.07 0.45 91.63
2026-08-11 266.26 76.18 0.45 91.63
2026-08-10 265.12 83 0.47 95.2
2026-08-07 266.47 83.3 0.47 95.62
2026-08-06 270.82 83.85 0.47 96.41
2026-08-05 277.6 85.79 0.47 96.81
2026-08-04 285.88 82.79 0.47 96.41
2026-08-03 292.14 86.93 0.48 97.6
2026-07-31 286.77 87.96 0.48 98.41
2026-07-30 296.71 100 0.51 100
2026-07-29 357.97 76.23 0.45 94.42
2026-07-28 350.65 85.1 0.47 97.61
2026-07-27 337.43 91.33 0.48 99.2
2026-07-24 330.87 91.7 0.48 99.6
2026-07-23 326.68 73.74 0.44 94.02
2026-07-22 327.93 86.29 0.47 98.8
2026-07-21 311.62 74.54 0.44 95.22
2026-07-20 305.95 72.6 0.44 94
2026-07-17 326.06 55.47 0.4 77.69
2026-07-16 331.62 68.53 0.43 90.84
2026-07-15 319.4 61.08 0.41 86.85
2026-07-14 299.18 64.51 0.42 89.64
2026-07-13 295.66 74.61 0.44 95.6
2026-07-10 299.88 55.97 0.4 81.27
2026-07-09 302.96 69.65 0.43 91.63
2026-07-08 294.64 72.9 0.44 95.22
2026-07-07 296.47 72.24 0.44 94.42
2026-07-02 288.39 67.12 0.43 92.46