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NPK International Inc NPKI 8.64 0.02 0.23%

Previous-day view · Fri Nov 6 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

NPKI / Comparative study

3 signals / 409 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z 0.08
12.28
Mean
11.02
Window
-61.2%
ATM IV z -0.24
0.72
Mean
0.97
Window
-64.1%
IV Percentile z 0.87
67.48
Mean
42.16
Window
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Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.89 0.65
ATM IV 0.89 1.00 0.52
IV Percent... 0.65 0.52 1.00
Source observations

Data inspector

1-50 of 409
  • 1 / 9
Date Close IV Rank ATM IV IV Percentile
2026-11-06 8.64 12.28 0.72 67.48
2026-11-05 8.62 12.23 0.72 66.26
2026-11-04 9.04 9.39 0.58 43.92
2026-11-03 9.11 10.75 0.65 58.43
2026-11-02 9.16 16.52 0.92 83.46
2026-10-30 9.35 27.41 1.44 96.06
2026-10-29 11.2 15.36 0.87 80.24
2026-10-28 11.3 15.55 0.88 81.35
2026-10-27 11.27 15 0.85 79.76
2026-10-26 11.01 13.22 0.77 74.9
2026-10-23 10.89 12.78 0.74 73.02
2026-10-22 10.76 10.82 0.65 60.71
2026-10-21 11.09 12.27 0.72 69.44
2026-10-20 10.91 11.13 0.67 62.7
2026-10-19 10.95 8.67 0.55 35.06
2026-10-15 10.67 88.08 4.31 99.6
2026-10-14 10.94 56.77 2.83 99.6
2026-10-13 11.29 39.99 2.03 99.6
2026-10-12 11.26 34.93 1.79 98.8
2026-10-09 11.34 24.94 1.32 97.62
2026-10-08 11.48 21.6 1.16 96.03
2026-10-07 11.41 20.95 1.13 95.24
2026-10-06 12.01 13.52 0.78 77.78
2026-10-05 11.81 14.01 0.8 78.88
2026-10-02 11.79 13.06 0.76 77.38
2026-10-01 11.83 12.19 0.72 71.43
2026-09-30 11.42 18.55 1.02 91.67
2026-09-29 11.4 18.06 0.99 90.08
2026-09-28 11.58 12.69 0.74 75.7
2026-09-25 11.72 10.56 0.64 61.11
2026-09-24 11.68 10.51 0.64 60.96
2026-09-23 11.71 10.02 0.61 53.78
2026-09-22 11.74 15.75 0.88 84.46
2026-09-21 12.48 6.32 0.44 14.4
2026-09-18 12.73 4.28 0.34 5.98
2026-09-17 12.75 5.48 0.4 7.57
2026-09-16 12.91 3.9 0.32 5.18
2026-09-15 12.98 10.41 0.63 57.37
2026-09-14 12.97 2.16 0.24 1.2
2026-09-11 13.26 12.67 0.74 74.1
2026-09-10 13.19 7.01 0.47 20.32
2026-09-09 13.5 30.85 1.6 97.21
2026-09-08 13.5 21.73 1.17 96.02
2026-09-04 13.22 19.73 1.07 94.82
2026-09-03 13.12 19.36 1.06 94.42
2026-09-02 13.25 17.84 0.98 91.24
2026-09-01 13.24 16.77 0.93 89.6
2026-08-31 13.28 16.45 0.92 88.76
2026-08-28 13.16 15.72 0.88 87.6
2026-08-27 13.55 13.04 0.76 80