Norfolk Southern Corp NSC 320.05 -0.22 -0.07%
Window
Scale
Plotted 3/8
Metric library
Volatility
Interactive timeline
NSC / Comparative study
3 signals / 503 sessions
Window statistics
Signal snapshot
Current value vs. selected history
IV Rank
z 0.12
29.73
Mean
27.67
Window
+36.5%
ATM IV
z -0.43
0.22
Mean
0.24
Window
-2.8%
IV Percentile
z -0.53
33.99
Mean
49.34
Window
-28.0%
Relationship matrix
Correlation
Pearson r
| Signal | IV Rank | ATM IV | IV Percent... |
|---|---|---|---|
| IV Rank | 1.00 | 0.86 | 0.87 |
| ATM IV | 0.86 | 1.00 | 0.87 |
| IV Percent... | 0.87 | 0.87 | 1.00 |
Source observations
Data inspector
1-50 of 503
- 1 / 11
| Date | Close | IV Rank | ATM IV | IV Percentile |
|---|---|---|---|---|
| 2026-09-14 | 320.05 | 29.73 | 0.22 | 33.99 |
| 2026-09-11 | 320.27 | 26.5 | 0.21 | 27.17 |
| 2026-09-10 | 323.3 | 29.43 | 0.22 | 33.46 |
| 2026-09-09 | 323.3 | 29.83 | 0.22 | 35.43 |
| 2026-09-08 | 327.92 | 33.29 | 0.23 | 48.43 |
| 2026-09-07 | 329.46 | 32.26 | 0.22 | 45.85 |
| 2026-09-04 | 329.46 | 29.22 | 0.22 | 33.86 |
| 2026-09-03 | 327.83 | 29.36 | 0.22 | 34.25 |
| 2026-09-02 | 330.06 | 31.4 | 0.22 | 43.7 |
| 2026-09-01 | 332.96 | 30.18 | 0.22 | 37.94 |
| 2026-08-31 | 342.79 | 23.64 | 0.2 | 22.62 |
| 2026-08-28 | 348.68 | 24.41 | 0.2 | 24.51 |
| 2026-08-27 | 347.93 | 22.68 | 0.2 | 21.74 |
| 2026-08-26 | 352.68 | 35.53 | 0.23 | 56.13 |
| 2026-08-25 | 351.24 | 31.32 | 0.22 | 42.69 |
| 2026-08-24 | 352.98 | 24.41 | 0.2 | 24.21 |
| 2026-08-21 | 350.72 | 23.84 | 0.2 | 24.11 |
| 2026-08-20 | 346.62 | 30.32 | 0.22 | 39.13 |
| 2026-08-19 | 345.71 | 25.62 | 0.21 | 28.85 |
| 2026-08-18 | 338.91 | 41.69 | 0.25 | 78.26 |
| 2026-08-17 | 341.12 | 34.62 | 0.23 | 52.78 |
| 2026-08-14 | 334.41 | 33.89 | 0.23 | 52.17 |
| 2026-08-13 | 337.85 | 32.93 | 0.23 | 49.8 |
| 2026-08-12 | 335.41 | 33.45 | 0.23 | 50.99 |
| 2026-08-11 | 334.6 | 30.59 | 0.22 | 42.69 |
| 2026-08-10 | 333.95 | 35.59 | 0.23 | 56.75 |
| 2026-08-07 | 334.36 | 36.37 | 0.24 | 60.47 |
| 2026-08-06 | 342.46 | 21.18 | 0.19 | 19.76 |
| 2026-08-05 | 341.74 | 21.7 | 0.2 | 22.53 |
| 2026-08-04 | 341.27 | 21.87 | 0.2 | 22.92 |
| 2026-08-03 | 336.65 | 30.7 | 0.22 | 43.65 |
| 2026-07-31 | 335.48 | 35.78 | 0.23 | 58.89 |
| 2026-07-30 | 333.93 | 41.46 | 0.25 | 77.08 |
| 2026-07-29 | 335.74 | 28.4 | 0.21 | 37.55 |
| 2026-07-28 | 338.84 | 22.01 | 0.2 | 24.51 |
| 2026-07-27 | 343.35 | 17.22 | 0.18 | 10.71 |
| 2026-07-24 | 350.66 | 28 | 0.21 | 35.97 |
| 2026-07-23 | 348.55 | 30.78 | 0.22 | 43.48 |
| 2026-07-22 | 330.94 | 68.69 | 0.33 | 99.6 |
| 2026-07-21 | 331.3 | 59.69 | 0.3 | 96.44 |
| 2026-07-20 | 334.97 | 62.61 | 0.31 | 98.02 |
| 2026-07-17 | 340.16 | 47.11 | 0.27 | 89.72 |
| 2026-07-16 | 338.06 | 39.21 | 0.24 | 68.38 |
| 2026-07-15 | 328.54 | 38.5 | 0.24 | 66.01 |
| 2026-07-14 | 326.83 | 41.75 | 0.25 | 75.89 |
| 2026-07-13 | 327.59 | 43.72 | 0.26 | 82.14 |
| 2026-07-10 | 327.47 | 41.63 | 0.25 | 75.89 |
| 2026-07-09 | 323.77 | 37.82 | 0.24 | 64.82 |
| 2026-07-08 | 319.22 | 40.97 | 0.25 | 74.31 |
| 2026-07-07 | 322.74 | 33.46 | 0.23 | 50.99 |