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Napco Security Technologies NSSC 31.34 -0.09 -0.29%

Previous-day view · Tue Nov 10 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

NSSC / Comparative study

3 signals / 493 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z 0.02
26.36
Mean
25.92
Window
+7.5%
ATM IV z -0.48
0.42
Mean
0.47
Window
+2.1%
IV Percentile z -0.25
40.65
Mean
48.05
Window
+19.6%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.96 0.93
ATM IV 0.96 1.00 0.92
IV Percent... 0.93 0.92 1.00
Source observations

Data inspector

1-50 of 493
  • 1 / 10
Date Close IV Rank ATM IV IV Percentile
2026-11-10 31.34 26.36 0.42 40.65
2026-11-09 31.43 47.42 0.58 86.94
2026-11-06 30.24 34.2 0.48 63.41
2026-11-05 29.99 21.52 0.38 27.64
2026-11-04 31.75 18.46 0.35 17.65
2026-11-03 31.77 21.52 0.38 26.67
2026-11-02 32.1 51.95 0.62 92.52
2026-10-30 39.35 79.4 0.84 99.61
2026-10-29 39.98 57.41 0.66 96.86
2026-10-28 39.66 54.62 0.64 94.12
2026-10-27 39.73 52.73 0.62 93.33
2026-10-26 39.24 52.9 0.63 93.7
2026-10-23 38.82 67.16 0.74 99.22
2026-10-22 38.6 67.55 0.74 99.61
2026-10-21 37.24 48.74 0.59 89.02
2026-10-20 36.45 46.85 0.58 85.49
2026-10-19 35.91 39.95 0.52 72.55
2026-10-15 35.96 46 0.57 82.56
2026-10-14 35.02 43.59 0.55 76.74
2026-10-13 36.18 38.61 0.51 68.22
2026-10-12 36.2 47.57 0.58 86.38
2026-10-09 36.14 46.24 0.57 83.33
2026-10-08 35.16 44.53 0.56 78.68
2026-10-07 35.19 37.29 0.5 67.05
2026-10-06 36.64 37.08 0.5 66.67
2026-10-05 36.22 50.34 0.61 91.83
2026-10-02 36.17 43.08 0.55 75.97
2026-10-01 36.19 25.7 0.41 38.76
2026-09-30 35.62 24.26 0.4 35.27
2026-09-29 35.57 20.26 0.37 21.71
2026-09-28 35.06 27 0.42 40.08
2026-09-25 35.66 32.8 0.47 58.14
2026-09-24 35.68 2.74 0.23 0.39
2026-09-23 35.96 0 0.21 0
2026-09-22 35.88 10.99 0.35 19.46
2026-09-21 35.82 51.9 0.65 94.92
2026-09-18 36.13 18.75 0.41 39.3
2026-09-17 35.95 33.07 0.51 69.26
2026-09-16 36.33 13.64 0.37 26.07
2026-09-15 35.95 27.3 0.47 59.92
2026-09-14 35.86 11.33 0.36 21.48
2026-09-11 36.26 14.23 0.38 28.79
2026-09-10 35.51 26.96 0.47 59.53
2026-09-09 35.91 37.22 0.54 75.49
2026-09-08 37.09 13.61 0.37 27.63
2026-09-04 37.01 15.77 0.39 34.24
2026-09-03 37.05 9.65 0.34 20.62
2026-09-02 35.65 23.21 0.44 48.25
2026-09-01 35.24 20.33 0.42 43.75
2026-08-31 36.24 20.29 0.42 43.14