Cardiol Therapeutics Inc CRDL 1.89 0.01 0.8%
CRDL Historical Options Analysis
Explore CRDL (Cardiol Therapeutics Inc) 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
CRDL / Comparative study
3 signals / 507 sessions
Window statistics
Signal snapshot
Current value vs. selected history
IV Rank
z -0.83
7.16
Mean
24.66
Window
+84.5%
ATM IV
z -0.51
2.38
Mean
3.58
Window
+125.0%
IV Percentile
z -1.17
26.64
Mean
61.06
Window
+71.6%
Relationship matrix
Correlation
Pearson r
| Signal | IV Rank | ATM IV | IV Percent... |
|---|---|---|---|
| IV Rank | 1.00 | 0.82 | 0.73 |
| ATM IV | 0.82 | 1.00 | 0.67 |
| IV Percent... | 0.73 | 0.67 | 1.00 |
Source observations
Data inspector
1-50 of 507
- 1 / 11
| Date | Close | IV Rank | ATM IV | IV Percentile |
|---|---|---|---|---|
| 2026-09-21 | 1.89 | 7.16 | 2.38 | 26.64 |
| 2026-09-18 | 1.88 | 1.3 | 1.33 | 2.87 |
| 2026-09-17 | 1.86 | 2.78 | 1.6 | 6.15 |
| 2026-09-16 | 1.9 | 0 | 1.1 | 0 |
| 2026-09-15 | 1.85 | 2.43 | 1.56 | 4.92 |
| 2026-09-14 | 1.99 | 0.97 | 1.3 | 2.06 |
| 2026-09-11 | 2 | 0.61 | 1.24 | 1.23 |
| 2026-09-10 | 1.98 | 0.38 | 1.2 | 0.82 |
| 2026-09-09 | 2.29 | 0 | 1.13 | 0 |
| 2026-09-08 | 2.22 | 0 | 1.14 | 0 |
| 2026-09-07 | 2.2 | 10.23 | 3.09 | 48.15 |
| 2026-09-04 | 2.2 | 9.59 | 2.98 | 44.26 |
| 2026-09-03 | 2.16 | 1.19 | 1.49 | 1.64 |
| 2026-09-02 | 2.17 | 9.76 | 3.01 | 44.26 |
| 2026-09-01 | 2.15 | 10.16 | 3.08 | 46.5 |
| 2026-08-31 | 1.98 | 3.02 | 1.82 | 3.31 |
| 2026-08-28 | 1.94 | 1.73 | 1.59 | 2.47 |
| 2026-08-27 | 2.06 | 1.83 | 1.61 | 2.47 |
| 2026-08-26 | 2.14 | 0.98 | 1.45 | 1.23 |
| 2026-08-25 | 2 | 0 | 1.28 | 0 |
| 2026-08-24 | 1.86 | 23.2 | 5.47 | 79.34 |
| 2026-08-21 | 1.86 | 25.53 | 5.88 | 82.72 |
| 2026-08-20 | 1.89 | 24.63 | 5.72 | 82.72 |
| 2026-08-19 | 1.96 | 20.02 | 4.91 | 77.37 |
| 2026-08-18 | 1.9 | 0.18 | 1.41 | 0.41 |
| 2026-08-17 | 1.8 | 0.84 | 1.53 | 0.41 |
| 2026-08-14 | 1.8 | 3.22 | 1.95 | 4.55 |
| 2026-08-13 | 1.71 | 3.88 | 2.06 | 7.44 |
| 2026-08-12 | 1.52 | 5.22 | 2.3 | 14.88 |
| 2026-08-11 | 1.5 | 5.26 | 2.31 | 15.29 |
| 2026-08-10 | 1.47 | 5.42 | 2.33 | 17.84 |
| 2026-08-07 | 1.42 | 5.48 | 2.34 | 19.01 |
| 2026-08-06 | 1.36 | 5.9 | 2.42 | 21.9 |
| 2026-08-05 | 1.34 | 5.97 | 2.43 | 23.14 |
| 2026-08-04 | 1.36 | 5.46 | 2.34 | 18.6 |
| 2026-08-03 | 1.31 | 6 | 2.44 | 23.24 |
| 2026-07-31 | 1.27 | 24.48 | 5.69 | 80.99 |
| 2026-07-30 | 1.21 | 5.96 | 2.43 | 22.73 |
| 2026-07-29 | 1.15 | -- | -- | -- |
| 2026-07-28 | 1.2 | 3.49 | 1.99 | 4.94 |
| 2026-07-27 | 1.16 | -- | -- | -- |
| 2026-07-24 | 1.18 | -- | -- | -- |
| 2026-07-23 | 1.23 | 0 | 1.38 | 0 |
| 2026-07-22 | 1.28 | 2.68 | 2 | 4.49 |
| 2026-07-21 | 1.24 | 0 | 1.53 | 0 |
| 2026-07-20 | 1.24 | 2.18 | 2.08 | 6.15 |
| 2026-07-17 | 1.21 | -- | -- | -- |
| 2026-07-16 | 1.23 | 6.09 | 2.75 | 37.14 |
| 2026-07-15 | 1.11 | 44.82 | 9.45 | 95.1 |
| 2026-07-14 | 1.15 | 35.32 | 7.81 | 90.2 |