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Griffon Corp GFF 92.76 -1.05 -1.12%

Previous-day view · Tue Sep 15 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

GFF / Comparative study

3 signals / 509 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z 1.00
36.98
Mean
20.66
Window
-52.4%
ATM IV z -0.33
0.4
Mean
0.45
Window
-44.3%
IV Percentile z 0.38
58.3
Mean
47.5
Window
-39.3%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.70 0.73
ATM IV 0.70 1.00 0.82
IV Percent... 0.73 0.82 1.00
Source observations

Data inspector

1-50 of 509
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-15 92.76 36.98 0.4 58.3
2026-09-14 93.81 30.53 0.37 41.86
2026-09-11 96.03 23.83 0.34 24.71
2026-09-10 95.3 24.19 0.34 24.71
2026-09-09 97.59 35.54 0.39 55.21
2026-09-08 97.33 37.56 0.4 58.69
2026-09-07 99.68 24.24 0.34 24.81
2026-09-04 99.68 21.44 0.33 20.46
2026-09-03 97.75 25.16 0.34 28.19
2026-09-02 95.83 35.13 0.39 53.28
2026-09-01 94.44 42.65 0.43 66.67
2026-08-31 97.39 29.32 0.36 38.52
2026-08-28 98.98 20.34 0.32 19.38
2026-08-27 99.2 20.35 0.32 19.38
2026-08-26 100.82 14.96 0.3 10.08
2026-08-25 101.38 24.89 0.35 28.29
2026-08-24 101.38 24.07 0.34 25.68
2026-08-21 100.55 15.4 0.3 10.47
2026-08-20 100.13 22.08 0.33 21.32
2026-08-19 102.9 18.45 0.32 13.95
2026-08-18 101.24 35 0.39 52.33
2026-08-17 102.18 25.08 0.35 28.02
2026-08-14 104.16 24.25 0.34 25.19
2026-08-13 105.97 18.46 0.32 14.34
2026-08-12 104.88 27.61 0.36 31.4
2026-08-11 106.75 14.84 0.3 9.69
2026-08-10 104.8 25.6 0.35 28.02
2026-08-07 107.22 23.17 0.34 23.26
2026-08-06 106.3 18.98 0.36 34.11
2026-08-05 102.81 27.9 0.43 63.57
2026-08-04 93.58 48.3 0.58 93.8
2026-08-03 89.41 34.35 0.48 83.27
2026-07-31 86.17 41.31 0.53 90.7
2026-07-30 87.9 36.33 0.49 86.05
2026-07-29 87.59 58.77 0.65 97.29
2026-07-28 93.47 37.62 0.5 87.6
2026-07-27 93.26 29.73 0.44 69.26
2026-07-24 90.62 32.71 0.46 81.01
2026-07-23 88.91 28.16 0.43 66.28
2026-07-22 89.67 24.07 0.4 55.43
2026-07-21 88.78 37.23 0.5 86.82
2026-07-20 89.07 42.18 0.53 89.88
2026-07-17 91.47 33.64 0.47 82.95
2026-07-16 93.61 33.55 0.47 82.95
2026-07-15 91.66 30.45 0.45 71.32
2026-07-14 90.83 25.82 0.41 60.08
2026-07-13 89.96 29.29 0.44 69.65
2026-07-10 91.11 27.38 0.43 64.73
2026-07-09 91.65 26.69 0.42 62.79
2026-07-08 89.8 33.33 0.47 82.56