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Federal Signal Corp FSS 113.98 0.52 0.46%

Previous-day view · Fri Sep 11 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

FSS / Comparative study

3 signals / 502 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.21
31.86
Mean
35.89
Window
+138.3%
ATM IV z 0.10
0.36
Mean
0.35
Window
+26.2%
IV Percentile z -0.21
53.39
Mean
59.4
Window
+12.1%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.92 0.87
ATM IV 0.92 1.00 0.85
IV Percent... 0.87 0.85 1.00
Source observations

Data inspector

1-50 of 502
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-11 113.98 31.86 0.36 53.39
2026-09-10 113.46 36.9 0.38 66.53
2026-09-09 117.45 31.14 0.35 52.99
2026-09-08 118.25 38.06 0.38 68.53
2026-09-07 119.28 23.65 0.32 32
2026-09-04 119.28 20.76 0.31 27.09
2026-09-03 117.16 22.91 0.32 31.08
2026-09-02 115.12 25.34 0.33 35.86
2026-09-01 113.61 29.08 0.35 47.2
2026-08-31 117 26.16 0.33 39.36
2026-08-28 118.13 27.05 0.34 42.4
2026-08-27 120.38 23.55 0.32 32.8
2026-08-26 121.53 26.5 0.32 33.2
2026-08-25 120.65 25.28 0.32 31.6
2026-08-24 119.78 17.8 0.28 20.08
2026-08-21 122.51 25.99 0.32 32.8
2026-08-20 121.99 30.63 0.34 44
2026-08-19 122.63 34.99 0.36 56
2026-08-18 121.98 23.56 0.31 30
2026-08-17 126.14 35.26 0.36 56.63
2026-08-14 125.85 29.87 0.34 42.8
2026-08-13 123.06 38.69 0.37 63.6
2026-08-12 126.31 34.81 0.36 55.6
2026-08-11 128.72 30.03 0.34 44
2026-08-10 126.77 35.86 0.36 58.23
2026-08-07 128.21 33.45 0.35 53.6
2026-08-06 127.83 34.85 0.36 56.8
2026-08-05 130.18 41.63 0.39 70.4
2026-08-04 132.51 33.24 0.35 54
2026-08-03 129.12 32.52 0.35 53.01
2026-07-31 124.95 36.22 0.36 59.2
2026-07-30 124.55 39.04 0.37 65.6
2026-07-29 111.86 100 0.64 100
2026-07-28 117.8 91.3 0.57 99.6
2026-07-27 118.32 88.19 0.56 99.6
2026-07-24 118.89 77.23 0.52 98.4
2026-07-23 117.8 76.22 0.51 98.4
2026-07-22 116.95 83.49 0.54 99.2
2026-07-21 116.02 74.16 0.5 98.8
2026-07-20 114.16 68.68 0.48 97.59
2026-07-17 116.63 68.7 0.48 98
2026-07-16 119.5 65.91 0.47 98
2026-07-15 117.78 62.13 0.46 96
2026-07-14 118.33 61.23 0.45 95.6
2026-07-13 116.94 64.29 0.47 97.19
2026-07-10 115.23 52.5 0.42 90.8
2026-07-09 116.89 48.8 0.4 83.2
2026-07-08 119.11 48.53 0.4 83.2
2026-07-07 126.58 44.61 0.39 76.4
2026-07-02 131.09 40.28 0.37 66.53