Westport Fuel Systems Inc Common WPRT 1.93 -0.01 -0.52%
WPRT Historical Options Analysis
Explore WPRT (Westport Fuel Systems Inc Common) historical options data, volatility, Greeks and positioning. Compare signals over time in the free Historical Lab preview.
Window
Scale
Plotted 3/8
Metric library
Volatility
Interactive timeline
WPRT / Comparative study
3 signals / 502 sessions
Window statistics
Signal snapshot
Current value vs. selected history
IV Rank
z 0.10
19.94
Mean
18.28
Window
-14.4%
ATM IV
z 1.05
2.62
Mean
1.39
Window
+241.4%
IV Percentile
z 0.90
87.65
Mean
61.42
Window
+37.8%
Relationship matrix
Correlation
Pearson r
| Signal | IV Rank | ATM IV | IV Percent... |
|---|---|---|---|
| IV Rank | 1.00 | 0.69 | 0.56 |
| ATM IV | 0.69 | 1.00 | 0.53 |
| IV Percent... | 0.56 | 0.53 | 1.00 |
Source observations
Data inspector
1-50 of 502
- 1 / 11
| Date | Close | IV Rank | ATM IV | IV Percentile |
|---|---|---|---|---|
| 2026-09-21 | 1.93 | 19.94 | 2.62 | 87.65 |
| 2026-09-18 | 1.94 | 18.98 | 2.51 | 86.89 |
| 2026-09-17 | 1.93 | 18.2 | 2.43 | 85.66 |
| 2026-09-16 | 1.99 | 16.72 | 2.28 | 82.79 |
| 2026-09-15 | 1.97 | 16.54 | 2.26 | 81.56 |
| 2026-09-14 | 1.94 | 16.59 | 2.26 | 81.89 |
| 2026-09-11 | 1.84 | 17.7 | 2.38 | 84.84 |
| 2026-09-10 | 1.76 | 18.84 | 2.5 | 86.89 |
| 2026-09-09 | 1.81 | 17.42 | 2.35 | 84.84 |
| 2026-09-08 | 1.84 | 16.44 | 2.25 | 82.79 |
| 2026-09-07 | 1.91 | 15.41 | 2.14 | 79.84 |
| 2026-09-04 | 1.91 | 14.67 | 2.06 | 76.64 |
| 2026-09-03 | 1.89 | 14.83 | 2.08 | 78.69 |
| 2026-09-02 | 1.85 | 14.92 | 2.09 | 79.51 |
| 2026-09-01 | 1.85 | 14.86 | 2.08 | 79.42 |
| 2026-08-31 | 1.85 | 4.4 | 0.98 | 20.66 |
| 2026-08-28 | 1.84 | 2.37 | 0.77 | 6.58 |
| 2026-08-27 | 1.85 | 1.84 | 0.71 | 3.7 |
| 2026-08-26 | 1.87 | 1.49 | 0.67 | 2.47 |
| 2026-08-25 | 1.84 | 1.78 | 0.71 | 2.47 |
| 2026-08-24 | 1.83 | 1.82 | 0.71 | 2.48 |
| 2026-08-21 | 1.83 | 2.73 | 0.81 | 7.82 |
| 2026-08-20 | 1.81 | 2.8 | 0.81 | 9.05 |
| 2026-08-19 | 1.82 | 2.64 | 0.8 | 7.82 |
| 2026-08-18 | 1.8 | 2.85 | 0.82 | 9.47 |
| 2026-08-17 | 1.75 | 3.57 | 0.89 | 15.29 |
| 2026-08-14 | 1.76 | 3.03 | 0.84 | 9.88 |
| 2026-08-13 | 1.72 | 3.56 | 0.89 | 14.4 |
| 2026-08-12 | 1.82 | 1.9 | 0.72 | 4.12 |
| 2026-08-11 | 1.93 | 0 | 0.52 | 0 |
| 2026-08-10 | 1.88 | 0.53 | 0.59 | 0.83 |
| 2026-08-07 | 1.88 | 5.46 | 0.97 | 19.34 |
| 2026-08-06 | 1.85 | 5.75 | 1 | 22.63 |
| 2026-08-05 | 1.87 | 5.64 | 0.99 | 21.81 |
| 2026-08-04 | 1.84 | 6.44 | 1.08 | 27.57 |
| 2026-08-03 | 1.76 | 37.69 | 4.4 | 96.28 |
| 2026-07-31 | 1.76 | 34.33 | 4.05 | 95.06 |
| 2026-07-30 | 1.72 | 33.85 | 3.99 | 95.06 |
| 2026-07-29 | 1.68 | 7.58 | 1.2 | 41.15 |
| 2026-07-28 | 1.73 | 34.39 | 4.05 | 95.47 |
| 2026-07-27 | 1.76 | 32.18 | 3.82 | 95.04 |
| 2026-07-24 | 1.92 | 27.39 | 3.31 | 93.83 |
| 2026-07-23 | 1.89 | 26.6 | 3.22 | 93.83 |
| 2026-07-22 | 1.92 | 25.31 | 3.09 | 92.59 |
| 2026-07-21 | 1.89 | 25.88 | 3.15 | 93.42 |
| 2026-07-20 | 1.9 | 25.63 | 3.12 | 93.39 |
| 2026-07-17 | 1.92 | 24.22 | 2.97 | 92.18 |
| 2026-07-16 | 1.91 | 7.17 | 1.15 | 40.33 |
| 2026-07-15 | 1.91 | 6.85 | 1.12 | 36.63 |
| 2026-07-14 | 1.88 | 7.13 | 1.15 | 39.51 |