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DOUGLAS DYNAMICS PLOW 39.89 0.03 0.08%

Previous-day view · Fri Sep 18 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

PLOW / Comparative study

3 signals / 506 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z 1.97
29.36
Mean
10.47
Window
+121.9%
ATM IV z -0.49
0.39
Mean
0.61
Window
-61.7%
IV Percentile z 0.09
49.02
Mean
46.31
Window
-45.6%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.71 0.70
ATM IV 0.71 1.00 0.72
IV Percent... 0.70 0.72 1.00
Source observations

Data inspector

1-50 of 506
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-18 39.89 29.36 0.39 49.02
2026-09-17 39.86 33.13 0.43 60.39
2026-09-16 39.36 38.49 0.48 77.65
2026-09-15 39.35 33.74 0.43 62.35
2026-09-14 40.11 38.66 0.48 77.95
2026-09-11 40.24 12.49 0.44 65.1
2026-09-10 40.52 11.74 0.42 60.39
2026-09-09 41.03 12.5 0.44 65.88
2026-09-08 41.59 10.56 0.39 51.37
2026-09-07 42.3 13.54 0.47 75.98
2026-09-04 42.3 12.95 0.46 70.59
2026-09-03 41.3 9.77 0.37 43.14
2026-09-02 41.63 8.74 0.34 33.33
2026-09-01 40.7 11.37 0.41 59.45
2026-08-31 41.07 12.93 0.46 69.57
2026-08-28 41.82 7.15 0.3 23.23
2026-08-27 42.16 15 0.51 81.89
2026-08-26 41.67 14.2 0.49 78.35
2026-08-25 41.68 10.42 0.39 50
2026-08-24 41.64 14.38 0.5 79.05
2026-08-21 42.18 9.95 0.37 46.06
2026-08-20 41.11 14.02 0.49 77.17
2026-08-19 41.63 12.73 0.45 68.11
2026-08-18 41.47 13.27 0.47 73.23
2026-08-17 41.98 9.16 0.35 37.55
2026-08-14 42.28 10.17 0.38 47.64
2026-08-13 41.92 10.72 0.4 52.36
2026-08-12 42.51 8.89 0.34 35.04
2026-08-11 42.44 11.04 0.4 53.94
2026-08-10 42.66 12.24 0.44 62.85
2026-08-07 44.36 11.25 0.41 56.69
2026-08-06 44.91 9.27 0.36 38.19
2026-08-05 45.63 9.75 0.37 41.73
2026-08-04 44.6 12.02 0.43 59.45
2026-08-03 42.03 14.1 0.49 73.91
2026-07-31 44.13 11.14 0.41 54.72
2026-07-30 42.85 15.36 0.52 78.74
2026-07-29 42.88 16.99 0.57 85.43
2026-07-28 45.12 16.96 0.57 85.43
2026-07-27 44.81 19.05 0.63 88.93
2026-07-24 46.18 16.03 0.54 82.28
2026-07-23 46.11 17.91 0.59 87.4
2026-07-22 46.54 16.29 0.55 83.86
2026-07-21 45.7 19.21 0.63 89.76
2026-07-20 46.26 16.74 0.56 85.38
2026-07-17 44.62 15.19 0.52 81.5
2026-07-16 44.92 12.73 0.45 68.5
2026-07-15 44.23 11.85 0.43 62.6
2026-07-14 43.5 15.35 0.52 81.89
2026-07-13 43.08 13.96 0.48 77.08