Research Frontiers Inc REFR 0.7 0.05 8.21%
REFR Historical Options Analysis
Explore REFR (Research Frontiers 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
REFR / Comparative study
3 signals / 500 sessions
Window statistics
Signal snapshot
Current value vs. selected history
IV Rank
z 0.47
39.78
Mean
28.86
Window
+3271.2%
ATM IV
z 1.18
7.9
Mean
4.03
Window
+998.3%
IV Percentile
z 0.53
77.35
Mean
62.05
Window
+2411.4%
Relationship matrix
Correlation
Pearson r
| Signal | IV Rank | ATM IV | IV Percent... |
|---|---|---|---|
| IV Rank | 1.00 | 0.86 | 0.79 |
| ATM IV | 0.86 | 1.00 | 0.72 |
| IV Percent... | 0.79 | 0.72 | 1.00 |
Source observations
Data inspector
1-50 of 500
- 1 / 10
| Date | Close | IV Rank | ATM IV | IV Percentile |
|---|---|---|---|---|
| 2026-09-21 | 0.7 | 39.78 | 7.9 | 77.35 |
| 2026-09-18 | 0.65 | -- | -- | -- |
| 2026-09-17 | 0.39 | 3.68 | 0.73 | 1.1 |
| 2026-09-16 | 0.38 | 32.44 | 6.44 | 68.33 |
| 2026-09-15 | 0.36 | 100 | 19.85 | 100 |
| 2026-09-14 | 0.38 | 86.72 | 16.72 | 99.44 |
| 2026-09-11 | 0.39 | 33.75 | 6.51 | 70 |
| 2026-09-10 | 0.39 | 58.47 | 11.28 | 90 |
| 2026-09-09 | 0.39 | 33.11 | 6.39 | 70 |
| 2026-09-08 | 0.39 | 54.32 | 10.47 | 87.22 |
| 2026-09-07 | 0.41 | 49.67 | 9.58 | 84.92 |
| 2026-09-04 | 0.41 | 44.63 | 8.61 | 83.33 |
| 2026-09-03 | 0.41 | 43.42 | 8.37 | 82.22 |
| 2026-09-02 | 0.4 | 42.57 | 8.21 | 81.67 |
| 2026-09-01 | 0.44 | 38.79 | 7.48 | 77.65 |
| 2026-08-31 | 0.47 | 36.59 | 7.06 | 75.28 |
| 2026-08-28 | 0.46 | 34.1 | 6.58 | 73.18 |
| 2026-08-27 | 0.48 | 32.51 | 6.27 | 72.63 |
| 2026-08-26 | 0.48 | 31.92 | 6.16 | 71.51 |
| 2026-08-25 | 0.48 | 31.19 | 6.01 | 69.83 |
| 2026-08-24 | 0.47 | 31.13 | 6 | 69.66 |
| 2026-08-21 | 0.45 | 30.26 | 5.84 | 68.72 |
| 2026-08-20 | 0.45 | 29.53 | 5.69 | 67.04 |
| 2026-08-19 | 0.44 | 29.45 | 5.68 | 67.04 |
| 2026-08-18 | 0.42 | 29.83 | 5.75 | 68.16 |
| 2026-08-17 | 0.43 | 28.65 | 5.53 | 65.17 |
| 2026-08-14 | 0.44 | 27.09 | 5.22 | 60.34 |
| 2026-08-13 | 0.43 | 27.1 | 5.23 | 60.34 |
| 2026-08-12 | 0.48 | 25.13 | 4.85 | 58.66 |
| 2026-08-11 | 0.49 | 24.34 | 4.69 | 56.98 |
| 2026-08-10 | 0.49 | 24.44 | 4.71 | 57.3 |
| 2026-08-07 | 0.49 | 23.87 | 4.6 | 56.98 |
| 2026-08-06 | 0.47 | 24.28 | 4.68 | 57.54 |
| 2026-08-05 | 0.47 | 23.21 | 4.48 | 56.42 |
| 2026-08-04 | 0.47 | 23.43 | 4.52 | 57.54 |
| 2026-08-03 | 0.45 | 23.4 | 4.51 | 57.3 |
| 2026-07-31 | 0.4 | 29.09 | 5.61 | 64.8 |
| 2026-07-30 | 0.39 | 60.25 | 11.62 | 91.06 |
| 2026-07-29 | 0.39 | 0.01 | 0.00170 | 0.56 |
| 2026-07-28 | 0.44 | 46.9 | 9.04 | 84.36 |
| 2026-07-27 | 0.46 | 40.99 | 7.9 | 81.46 |
| 2026-07-24 | 0.46 | 38.77 | 7.48 | 78.77 |
| 2026-07-23 | 0.48 | 36.45 | 7.03 | 76.54 |
| 2026-07-22 | 0.48 | 35.34 | 6.81 | 75.98 |
| 2026-07-21 | 0.51 | 31.86 | 6.14 | 73.18 |
| 2026-07-20 | 0.51 | -- | -- | -- |
| 2026-07-17 | 0.55 | -- | -- | -- |
| 2026-07-16 | 0.53 | -- | -- | -- |
| 2026-07-15 | 0.55 | -- | -- | -- |
| 2026-07-14 | 0.55 | -- | -- | -- |