Groupon GRPN 15.58 -1.73 -9.99%
Window
Scale
Plotted 3/8
Metric library
Volatility
Interactive timeline
GRPN / Comparative study
3 signals / 495 sessions
Window statistics
Signal snapshot
Current value vs. selected history
IV Rank
z -0.32
25.85
Mean
32.49
Window
-54.9%
ATM IV
z 0.16
0.89
Mean
0.85
Window
-19.6%
IV Percentile
z -0.06
49.19
Mean
50.77
Window
-29.7%
Relationship matrix
Correlation
Pearson r
| Signal | IV Rank | ATM IV | IV Percent... |
|---|---|---|---|
| IV Rank | 1.00 | 0.92 | 0.92 |
| ATM IV | 0.92 | 1.00 | 0.96 |
| IV Percent... | 0.92 | 0.96 | 1.00 |
Source observations
Data inspector
1-50 of 495
- 1 / 10
| Date | Close | IV Rank | ATM IV | IV Percentile |
|---|---|---|---|---|
| 2026-11-05 | 15.58 | 25.85 | 0.89 | 49.19 |
| 2026-11-04 | 17.31 | 27.58 | 0.91 | 52.94 |
| 2026-11-03 | 15.5 | 23.26 | 0.86 | 45.49 |
| 2026-11-02 | 15.58 | 32.79 | 0.98 | 66.14 |
| 2026-10-30 | 15.75 | 35.86 | 1.02 | 71.88 |
| 2026-10-29 | 16.26 | 35.13 | 1.01 | 70.31 |
| 2026-10-28 | 16.42 | 31.31 | 0.96 | 58.2 |
| 2026-10-27 | 16.52 | 30.85 | 0.95 | 57.42 |
| 2026-10-26 | 16.65 | 27.71 | 0.91 | 52.55 |
| 2026-10-23 | 16.12 | 27.93 | 0.91 | 52.73 |
| 2026-10-22 | 16.24 | 29.23 | 0.93 | 54.3 |
| 2026-10-21 | 16.3 | 28.37 | 0.92 | 53.13 |
| 2026-10-20 | 16.78 | 30.87 | 0.95 | 55.86 |
| 2026-10-19 | 16.84 | 27.3 | 0.91 | 51.56 |
| 2026-10-15 | 18.43 | 26.33 | 0.89 | 50.97 |
| 2026-10-14 | 17.76 | 25.31 | 0.88 | 49.03 |
| 2026-10-13 | 18.47 | 24.77 | 0.87 | 47.88 |
| 2026-10-12 | 18.46 | 23.25 | 0.86 | 45.35 |
| 2026-10-09 | 18.63 | 24.73 | 0.87 | 46.72 |
| 2026-10-08 | 19.12 | 22.02 | 0.84 | 42.47 |
| 2026-10-07 | 18.43 | 23.45 | 0.86 | 44.79 |
| 2026-10-06 | 18.84 | 24.35 | 0.87 | 45.56 |
| 2026-10-05 | 19.71 | 22.61 | 0.85 | 44.57 |
| 2026-10-02 | 19.31 | 23.02 | 0.85 | 45.17 |
| 2026-10-01 | 19.53 | 20.25 | 0.82 | 41.7 |
| 2026-09-30 | 19.76 | 8.84 | 0.67 | 18.15 |
| 2026-09-29 | 19.99 | 10.44 | 0.69 | 23.94 |
| 2026-09-28 | 19.74 | 20.94 | 0.83 | 42.25 |
| 2026-09-25 | 21.3 | 10.69 | 0.7 | 25.1 |
| 2026-09-24 | 20.89 | 10.87 | 0.7 | 25.19 |
| 2026-09-23 | 20.04 | 10.03 | 0.69 | 24.03 |
| 2026-09-22 | 21.28 | 12.99 | 0.73 | 33.33 |
| 2026-09-21 | 22.05 | 14.47 | 0.74 | 35.8 |
| 2026-09-18 | 19.08 | 5.78 | 0.63 | 12.02 |
| 2026-09-17 | 18.81 | 10.25 | 0.69 | 25.19 |
| 2026-09-16 | 19.33 | 9.6 | 0.68 | 23.64 |
| 2026-09-15 | 18.75 | 12.9 | 0.72 | 33.33 |
| 2026-09-14 | 19.11 | 14.81 | 0.75 | 36.19 |
| 2026-09-11 | 18.73 | 7.81 | 0.66 | 20.54 |
| 2026-09-10 | 18.28 | 12.85 | 0.72 | 32.95 |
| 2026-09-09 | 18.3 | 11.79 | 0.71 | 30.23 |
| 2026-09-08 | 18.95 | 12.95 | 0.73 | 34.11 |
| 2026-09-04 | 18.87 | 11.37 | 0.71 | 29.84 |
| 2026-09-03 | 18.86 | 12.09 | 0.71 | 31.01 |
| 2026-09-02 | 18.83 | 14.13 | 0.72 | 32.17 |
| 2026-09-01 | 18.46 | 14.2 | 0.72 | 32.3 |
| 2026-08-31 | 19.18 | 12.37 | 0.69 | 28.91 |
| 2026-08-28 | 19.53 | 12.26 | 0.66 | 23.74 |
| 2026-08-27 | 19.47 | 14.96 | 0.69 | 29.57 |
| 2026-08-26 | 19.06 | 11.63 | 0.65 | 22.18 |