West Pharmaceutical Services WST 346.23 1.98 0.58%
Window
Scale
Plotted 3/8
Metric library
Volatility
Interactive timeline
WST / Comparative study
3 signals / 502 sessions
Window statistics
Signal snapshot
Current value vs. selected history
IV Rank
z -0.84
12.89
Mean
35.82
Window
-72.0%
ATM IV
z -0.76
0.28
Mean
0.37
Window
-7.0%
IV Percentile
z -1.04
23.51
Mean
54.53
Window
-62.7%
Relationship matrix
Correlation
Pearson r
| Signal | IV Rank | ATM IV | IV Percent... |
|---|---|---|---|
| IV Rank | 1.00 | 0.93 | 0.92 |
| ATM IV | 0.93 | 1.00 | 0.87 |
| IV Percent... | 0.92 | 0.87 | 1.00 |
Source observations
Data inspector
1-50 of 502
- 1 / 11
| Date | Close | IV Rank | ATM IV | IV Percentile |
|---|---|---|---|---|
| 2026-09-11 | 346.23 | 12.89 | 0.28 | 23.51 |
| 2026-09-10 | 344.25 | 7.12 | 0.26 | 10.36 |
| 2026-09-09 | 336.94 | 7.39 | 0.26 | 10.76 |
| 2026-09-08 | 337.75 | 8.5 | 0.26 | 12.35 |
| 2026-09-07 | 339.97 | 8.96 | 0.27 | 13.2 |
| 2026-09-04 | 339.97 | 7.28 | 0.26 | 10.76 |
| 2026-09-03 | 342.73 | 6.44 | 0.26 | 9.16 |
| 2026-09-02 | 342.63 | 6.96 | 0.26 | 9.96 |
| 2026-09-01 | 338.65 | 6.53 | 0.26 | 9.2 |
| 2026-08-31 | 341.11 | 7.75 | 0.26 | 10.04 |
| 2026-08-28 | 337.47 | 5.06 | 0.25 | 4.4 |
| 2026-08-27 | 346.09 | 6.4 | 0.26 | 9.2 |
| 2026-08-26 | 349.92 | 10.14 | 0.27 | 17.2 |
| 2026-08-25 | 348.48 | 9.35 | 0.27 | 15.6 |
| 2026-08-24 | 353.32 | 6.72 | 0.26 | 10.04 |
| 2026-08-21 | 353.08 | 2.68 | 0.24 | 1.2 |
| 2026-08-20 | 353.77 | 11.99 | 0.28 | 21.6 |
| 2026-08-19 | 352.79 | 9.56 | 0.27 | 15.6 |
| 2026-08-18 | 346.59 | 7.89 | 0.26 | 11.2 |
| 2026-08-17 | 346.61 | 10.15 | 0.27 | 17.67 |
| 2026-08-14 | 349.42 | 8.52 | 0.26 | 13.2 |
| 2026-08-13 | 346.16 | 8.9 | 0.27 | 13.6 |
| 2026-08-12 | 352.29 | 8.41 | 0.26 | 12.8 |
| 2026-08-11 | 351.37 | 10.48 | 0.27 | 17.6 |
| 2026-08-10 | 352.13 | 11.52 | 0.28 | 19.68 |
| 2026-08-07 | 354.07 | 10.99 | 0.28 | 18.8 |
| 2026-08-06 | 348.6 | 14.19 | 0.29 | 27.6 |
| 2026-08-05 | 351.02 | 14.75 | 0.29 | 27.6 |
| 2026-08-04 | 348.76 | 15.8 | 0.3 | 30 |
| 2026-08-03 | 347.94 | 15.21 | 0.29 | 28.51 |
| 2026-07-31 | 340.96 | 14.08 | 0.29 | 26.8 |
| 2026-07-30 | 339.59 | 19.44 | 0.31 | 38.8 |
| 2026-07-29 | 337.46 | 16.05 | 0.3 | 30.8 |
| 2026-07-28 | 337 | 13.74 | 0.29 | 26.8 |
| 2026-07-27 | 331.25 | 19.03 | 0.31 | 37.75 |
| 2026-07-24 | 328.2 | 15.91 | 0.3 | 30.8 |
| 2026-07-23 | 355.48 | 12.53 | 0.28 | 22.8 |
| 2026-07-22 | 358.41 | 52.41 | 0.46 | 72.8 |
| 2026-07-21 | 359.24 | 53.44 | 0.47 | 73.2 |
| 2026-07-20 | 352.32 | 54.1 | 0.47 | 74.3 |
| 2026-07-17 | 358.24 | 51.09 | 0.46 | 71.6 |
| 2026-07-16 | 362.44 | 50.54 | 0.45 | 71.2 |
| 2026-07-15 | 359 | 51.96 | 0.46 | 71.2 |
| 2026-07-14 | 357.65 | 54.65 | 0.47 | 73.6 |
| 2026-07-13 | 359.7 | 55.63 | 0.48 | 74.7 |
| 2026-07-10 | 353.71 | 54.62 | 0.47 | 73.2 |
| 2026-07-09 | 357.66 | 52.14 | 0.46 | 71.2 |
| 2026-07-08 | 353.68 | 55.73 | 0.48 | 73.6 |
| 2026-07-07 | 356.08 | 50.36 | 0.45 | 70.8 |
| 2026-07-02 | 365.74 | 28.05 | 0.35 | 56.97 |