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The Gorman-Rupp Company Common Shares GRC 70.44 0.25 0.36%

Previous-day view · Wed Nov 11 close. You are previewing the previous trading day. Subscribe to see today live and every other date — Trader is $59/mo. Sign up Sign in
Group
Window
Scale
Plotted 3/8
Metric library

Volatility

Interactive timeline

GRC / Comparative study

3 signals / 496 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.37
7.68
Mean
13.84
Window
-66.3%
ATM IV z -0.55
0.37
Mean
0.77
Window
-55.4%
IV Percentile z -0.24
42.91
Mean
50.04
Window
-30.6%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.92 0.72
ATM IV 0.92 1.00 0.67
IV Percent... 0.72 0.67 1.00
Source observations

Data inspector

1-50 of 496
  • 1 / 10
Date Close IV Rank ATM IV IV Percentile
2026-11-11 70.44 7.68 0.37 42.91
2026-11-10 70.19 15.44 0.54 94.33
2026-11-09 70.98 13.45 0.5 91.46
2026-11-06 67.76 15.97 0.55 95.55
2026-11-05 68.09 18.13 0.6 97.17
2026-11-04 73.84 9.62 0.41 62.89
2026-11-03 74.96 9.3 0.4 60.94
2026-11-02 73.93 8.72 0.39 55.29
2026-10-30 71.93 10.02 0.42 66.54
2026-10-29 74.39 10.72 0.44 74.32
2026-10-28 74.85 9.8 0.42 63.81
2026-10-27 75.4 7.87 0.37 46.3
2026-10-26 74.96 7.66 0.37 44.92
2026-10-23 73.76 10.15 0.42 68.48
2026-10-22 70.13 16.27 0.56 95.72
2026-10-21 73.87 10.83 0.44 75.1
2026-10-20 72.33 10.51 0.43 72.76
2026-10-19 72.42 11.05 0.44 77.04
2026-10-15 72.14 5.81 0.35 26.15
2026-10-14 72.94 6.88 0.45 78.46
2026-10-13 73.86 5.39 0.4 57.69
2026-10-12 73.58 7.36 0.47 83.4
2026-10-09 73.99 7.34 0.47 82.31
2026-10-08 73.04 7.34 0.47 82.31
2026-10-07 74.21 6.46 0.44 74.62
2026-10-06 77.22 6.03 0.42 68.46
2026-10-05 77.55 4.07 0.35 26.64
2026-10-02 77.26 3.79 0.34 21.92
2026-10-01 75.13 5.87 0.42 64.23
2026-09-30 74.48 5.93 0.42 65.77
2026-09-29 75.07 6.2 0.43 68.85
2026-09-28 76.06 2.71 0.3 11.2
2026-09-25 74.21 5.4 0.4 56.54
2026-09-24 74.65 5.89 0.42 64.48
2026-09-23 75.25 3.34 0.32 15.83
2026-09-22 74.59 5.17 0.39 53.28
2026-09-21 73.75 4.48 0.37 43.02
2026-09-18 73.25 4.32 0.36 40.15
2026-09-17 72.1 7.19 0.47 76.06
2026-09-16 72.17 7.71 0.48 79.92
2026-09-15 71.23 7.78 0.49 79.92
2026-09-14 71.5 7.62 0.48 79.46
2026-09-11 74.47 3.79 0.34 20.85
2026-09-10 73.23 6.34 0.43 68.34
2026-09-09 74.77 7.19 0.47 74.52
2026-09-08 75.49 6.5 0.44 69.5
2026-09-04 75.34 5.88 0.42 61.78
2026-09-03 75.1 4.46 0.37 41.7
2026-09-02 73.94 4.93 0.38 49.03
2026-09-01 73.99 7.19 0.47 72.87