Federal Signal Corp FSS 117.93 0.79 0.67%
Window
Scale
Plotted 3/8
Metric library
Volatility
Interactive timeline
FSS / Comparative study
3 signals / 501 sessions
Window statistics
Signal snapshot
Current value vs. selected history
IV Rank
z -0.42
28.72
Mean
36.81
Window
-25.8%
ATM IV
z 0.04
0.36
Mean
0.35
Window
+22.6%
IV Percentile
z -0.31
50.2
Mean
59.16
Window
-8.4%
Relationship matrix
Correlation
Pearson r
| Signal | IV Rank | ATM IV | IV Percent... |
|---|---|---|---|
| IV Rank | 1.00 | 0.92 | 0.90 |
| ATM IV | 0.92 | 1.00 | 0.86 |
| IV Percent... | 0.90 | 0.86 | 1.00 |
Source observations
Data inspector
1-50 of 501
- 1 / 11
| Date | Close | IV Rank | ATM IV | IV Percentile |
|---|---|---|---|---|
| 2026-11-04 | 117.93 | 28.72 | 0.36 | 50.2 |
| 2026-11-03 | 117.14 | 27.17 | 0.35 | 46.67 |
| 2026-11-02 | 117.01 | 30.71 | 0.36 | 56.69 |
| 2026-10-30 | 112.67 | 36.82 | 0.39 | 67.72 |
| 2026-10-29 | 115.21 | 57.58 | 0.47 | 92.09 |
| 2026-10-28 | 113.45 | 74.52 | 0.54 | 97.62 |
| 2026-10-27 | 115.81 | 63.78 | 0.49 | 94.84 |
| 2026-10-26 | 114.14 | 67.15 | 0.51 | 96.41 |
| 2026-10-23 | 113.23 | 64.52 | 0.5 | 96.03 |
| 2026-10-22 | 115.54 | 56.58 | 0.47 | 92.46 |
| 2026-10-21 | 116.69 | 56.61 | 0.47 | 92.86 |
| 2026-10-20 | 114.66 | 52.04 | 0.45 | 88.49 |
| 2026-10-19 | 112.92 | 59.31 | 0.48 | 94.42 |
| 2026-10-15 | 113.47 | 52.18 | 0.45 | 89.29 |
| 2026-10-14 | 113 | 54.71 | 0.46 | 92.06 |
| 2026-10-13 | 114.24 | 50.45 | 0.44 | 88.89 |
| 2026-10-12 | 114.78 | 57.26 | 0.47 | 94.02 |
| 2026-10-09 | 113.57 | 48.41 | 0.43 | 87.3 |
| 2026-10-08 | 112.61 | 53.32 | 0.45 | 91.67 |
| 2026-10-07 | 114.41 | 46 | 0.42 | 86.51 |
| 2026-10-06 | 118.14 | 47.11 | 0.43 | 87.3 |
| 2026-10-05 | 116.43 | 44.56 | 0.42 | 86.06 |
| 2026-10-02 | 116.34 | 33.72 | 0.38 | 65.08 |
| 2026-10-01 | 112.17 | 43.18 | 0.41 | 82.14 |
| 2026-09-30 | 110.79 | 27.82 | 0.35 | 50.4 |
| 2026-09-29 | 114.26 | 28.17 | 0.35 | 51.59 |
| 2026-09-28 | 115.01 | 15.19 | 0.3 | 20.32 |
| 2026-09-25 | 114.75 | 8.01 | 0.28 | 10.71 |
| 2026-09-24 | 112.78 | 25.97 | 0.35 | 45.82 |
| 2026-09-23 | 113.25 | 29.68 | 0.36 | 55.78 |
| 2026-09-22 | 115.69 | 25.01 | 0.34 | 42.23 |
| 2026-09-21 | 115.09 | 19.02 | 0.32 | 26.4 |
| 2026-09-18 | 113.83 | 31.76 | 0.36 | 51.79 |
| 2026-09-17 | 113.78 | 36.65 | 0.38 | 65.34 |
| 2026-09-16 | 115.33 | 30.24 | 0.35 | 49.4 |
| 2026-09-15 | 113.08 | 25.34 | 0.33 | 34.26 |
| 2026-09-14 | 113.36 | 19.99 | 0.31 | 22.4 |
| 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 |