West Pharmaceutical Services WST 392.48 -16.3 -3.99%
Window
Scale
Plotted 3/8
Metric library
Volatility
Interactive timeline
WST / Comparative study
3 signals / 490 sessions
Window statistics
Signal snapshot
Current value vs. selected history
IV Rank
z -0.76
13.83
Mean
32.92
Window
-56.0%
ATM IV
z -0.76
0.28
Mean
0.37
Window
-6.1%
IV Percentile
z -0.88
26.02
Mean
52.35
Window
-55.6%
Relationship matrix
Correlation
Pearson r
| Signal | IV Rank | ATM IV | IV Percent... |
|---|---|---|---|
| IV Rank | 1.00 | 0.98 | 0.92 |
| ATM IV | 0.98 | 1.00 | 0.88 |
| IV Percent... | 0.92 | 0.88 | 1.00 |
Source observations
Data inspector
1-50 of 490
- 1 / 10
| Date | Close | IV Rank | ATM IV | IV Percentile |
|---|---|---|---|---|
| 2026-11-05 | 392.48 | 13.83 | 0.28 | 26.02 |
| 2026-11-04 | 408.78 | 5.09 | 0.25 | 5.1 |
| 2026-11-03 | 406.99 | 5.5 | 0.25 | 6.27 |
| 2026-11-02 | 407.88 | 8.69 | 0.26 | 15.35 |
| 2026-10-30 | 412.62 | 7.15 | 0.26 | 11.81 |
| 2026-10-29 | 416.67 | 8.94 | 0.26 | 15.81 |
| 2026-10-28 | 403.64 | 52.99 | 0.46 | 76.59 |
| 2026-10-27 | 398.29 | 63.66 | 0.51 | 84.13 |
| 2026-10-26 | 394.73 | 62.51 | 0.51 | 84.06 |
| 2026-10-23 | 392.15 | 56 | 0.48 | 81.75 |
| 2026-10-22 | 394.03 | 54.68 | 0.47 | 79.37 |
| 2026-10-21 | 393.48 | 57.66 | 0.48 | 82.14 |
| 2026-10-20 | 388.78 | 53.87 | 0.47 | 77.78 |
| 2026-10-19 | 383.91 | 41.84 | 0.41 | 71.31 |
| 2026-10-15 | 383.02 | 48.72 | 0.44 | 73.41 |
| 2026-10-14 | 374.65 | 48.99 | 0.45 | 73.41 |
| 2026-10-13 | 371.82 | 31.04 | 0.36 | 61.9 |
| 2026-10-12 | 367.6 | 42.47 | 0.42 | 71.31 |
| 2026-10-09 | 366 | 42.87 | 0.42 | 71.03 |
| 2026-10-08 | 363.27 | 42.07 | 0.41 | 70.63 |
| 2026-10-07 | 366.48 | 39 | 0.4 | 69.84 |
| 2026-10-06 | 372.64 | 38.2 | 0.4 | 69.05 |
| 2026-10-05 | 376.76 | 36.72 | 0.39 | 67.33 |
| 2026-10-02 | 364.98 | 37.53 | 0.39 | 68.65 |
| 2026-10-01 | 365.01 | 5.09 | 0.25 | 4.76 |
| 2026-09-30 | 370.76 | 6.92 | 0.26 | 11.11 |
| 2026-09-29 | 376.63 | 2.43 | 0.24 | 1.19 |
| 2026-09-28 | 375.65 | 4.7 | 0.25 | 3.19 |
| 2026-09-25 | 370.44 | 4.96 | 0.25 | 3.57 |
| 2026-09-24 | 373.6 | 5.34 | 0.25 | 3.59 |
| 2026-09-23 | 375.87 | 0 | 0.22 | 0 |
| 2026-09-22 | 371.09 | 7.97 | 0.26 | 12.75 |
| 2026-09-21 | 361.78 | 5.42 | 0.25 | 6 |
| 2026-09-18 | 362.31 | 2.25 | 0.24 | 1.2 |
| 2026-09-17 | 366.6 | 9.57 | 0.27 | 17.13 |
| 2026-09-16 | 362.01 | 13.57 | 0.29 | 25.9 |
| 2026-09-15 | 365 | 11.83 | 0.28 | 20.72 |
| 2026-09-14 | 355.2 | 13.26 | 0.29 | 23.6 |
| 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 |
| 2026-09-04 | 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 |