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Graham Corporation GHM 85.87 1.83 2.18%

GHM Historical Options Analysis

Explore GHM (Graham Corporation) 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

GHM / Comparative study

3 signals / 501 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z 0.55
27.61
Mean
18.21
Window
+151.2%
ATM IV z -0.40
0.55
Mean
0.73
Window
-17.2%
IV Percentile z -0.29
40.24
Mean
47.96
Window
-27.6%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.72 0.72
ATM IV 0.72 1.00 0.65
IV Percent... 0.72 0.65 1.00
Source observations

Data inspector

1-50 of 501
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-21 85.87 27.61 0.55 40.24
2026-09-18 84.04 28.32 0.56 42.46
2026-09-17 83.62 19.92 0.48 11.51
2026-09-16 85.28 33.27 0.6 56.75
2026-09-15 83.68 29.63 0.57 48.02
2026-09-14 83.69 25.76 0.54 31.87
2026-09-11 87.9 27.15 0.55 37.3
2026-09-10 85.49 30.49 0.58 50.79
2026-09-09 87.48 29.75 0.57 48.41
2026-09-08 88.74 30.54 0.58 50.79
2026-09-07 87.78 30.3 0.58 49.4
2026-09-04 87.78 28.16 0.56 43.65
2026-09-03 85.96 31.65 0.59 52.78
2026-09-02 83.22 28.63 0.56 44.84
2026-09-01 83.49 28.97 0.57 46.22
2026-08-31 87.21 30.39 0.58 50.4
2026-08-28 86.08 20.76 0.49 15.54
2026-08-27 93.38 29.51 0.57 49
2026-08-26 91.86 22.86 0.51 23.51
2026-08-25 93.2 30.4 0.58 51
2026-08-24 97.16 28.69 0.56 46.4
2026-08-21 101.49 23.69 0.52 26.29
2026-08-20 99.99 25.39 0.53 34.26
2026-08-19 104.81 25.09 0.53 32.67
2026-08-18 111.17 23.25 0.51 27.09
2026-08-17 115.48 23.75 0.52 27.6
2026-08-14 113.99 19.6 0.48 15.14
2026-08-13 111.08 29.54 0.57 49.8
2026-08-12 113.11 20.12 0.49 17.13
2026-08-11 108.76 32.03 0.59 53.39
2026-08-10 108.75 31.04 0.58 52.8
2026-08-07 111.68 24.79 0.53 32.67
2026-08-06 104.96 26.18 0.54 38.25
2026-08-05 104.47 40.45 0.67 74.5
2026-08-04 104.8 40.41 0.67 74.5
2026-08-03 98.91 48.66 0.74 87.6
2026-07-31 95.9 50.26 0.76 88.05
2026-07-30 94.22 52.35 0.77 98.01
2026-07-29 88.29 43.26 0.69 82.47
2026-07-28 99.82 48.43 0.74 88.05
2026-07-27 104.3 48.14 0.74 87.2
2026-07-24 103.93 45.66 0.71 84.86
2026-07-23 105.5 43.89 0.7 83.67
2026-07-22 105.38 42.36 0.69 81.67
2026-07-21 108.22 42.36 0.69 81.67
2026-07-20 105.12 40.77 0.67 78.4
2026-07-17 107.79 42.44 0.69 82.07
2026-07-16 108.15 40.47 0.67 78.09
2026-07-15 110.2 40.07 0.66 75.7
2026-07-14 107.05 40.11 0.67 76.1