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Koppers Holdings KOP 46.18 -0.54 -1.16%

Previous-day view · Thu Sep 17 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

KOP / Comparative study

3 signals / 510 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.79
8.69
Mean
26.18
Window
-89.9%
ATM IV z -0.86
0.45
Mean
0.82
Window
-67.1%
IV Percentile z -0.95
20.08
Mean
49.42
Window
-79.7%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.86 0.86
ATM IV 0.86 1.00 0.81
IV Percent... 0.86 0.81 1.00
Source observations

Data inspector

1-50 of 510
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-17 46.18 8.69 0.45 20.08
2026-09-16 46.72 18.2 0.72 61.39
2026-09-15 45.79 11.87 0.54 36.68
2026-09-14 46 9.37 0.47 24.42
2026-09-11 46.35 7.16 0.41 9.65
2026-09-10 46.35 5.65 0.37 3.86
2026-09-09 46.06 8.47 0.45 16.6
2026-09-08 47.12 9.05 0.46 21.24
2026-09-07 47.78 8.74 0.45 19.38
2026-09-04 47.78 8.25 0.44 15.06
2026-09-03 46.86 6.86 0.4 8.49
2026-09-02 46.72 8.51 0.45 16.6
2026-09-01 45.93 7.69 0.42 12.79
2026-08-31 45.87 8.34 0.44 15.56
2026-08-28 46.56 8.26 0.44 14.73
2026-08-27 46.32 8.07 0.44 13.57
2026-08-26 46.34 6.72 0.4 7.75
2026-08-25 46.13 7.23 0.41 8.91
2026-08-24 45.83 6.14 0.38 5.06
2026-08-21 45.19 9.94 0.49 22.48
2026-08-20 45.88 10.78 0.51 25.19
2026-08-19 44.9 5.93 0.38 4.65
2026-08-18 45.44 9.13 0.46 18.99
2026-08-17 47.45 6.39 0.39 5.45
2026-08-14 47.14 9.89 0.49 22.09
2026-08-13 46.22 7.59 0.42 12.4
2026-08-12 45.34 16.48 0.67 51.55
2026-08-11 46.01 13.65 0.59 40.7
2026-08-10 50.54 9.77 0.48 21.01
2026-08-07 51.24 9.04 0.46 18.6
2026-08-06 52.33 7.78 0.43 13.18
2026-08-05 51.03 12.77 0.57 34.88
2026-08-04 51.99 7.49 0.42 11.24
2026-08-03 50.73 18.47 0.72 61.48
2026-07-31 49.02 21.18 0.8 73.26
2026-07-30 48.98 20.3 0.78 68.99
2026-07-29 49.21 22.46 0.84 77.52
2026-07-28 50.2 15.8 0.65 50
2026-07-27 49.61 21.62 0.81 74.32
2026-07-24 50.22 11.36 0.53 28.68
2026-07-23 49.96 18.42 0.72 61.24
2026-07-22 51.17 8.7 0.45 17.05
2026-07-21 51.47 10.41 0.5 22.09
2026-07-20 49.2 10.65 0.51 22.57
2026-07-17 49.14 10.19 0.49 21.71
2026-07-16 49.05 13.75 0.59 39.53
2026-07-15 48.47 8.92 0.46 17.44
2026-07-14 48.53 13.61 0.59 38.76
2026-07-13 47.77 7.55 0.42 11.28
2026-07-10 47.56 13.48 0.59 37.21