Unifirst Corp UNF 275.2 4.43 1.64%
Window
Scale
Plotted 3/8
Metric library
Volatility
Interactive timeline
UNF / Comparative study
3 signals / 506 sessions
Window statistics
Signal snapshot
Current value vs. selected history
IV Rank
z -0.14
11.79
Mean
14.31
Window
-57.5%
ATM IV
z -0.65
0.26
Mean
0.69
Window
-68.9%
IV Percentile
z -0.13
40.78
Mean
45.02
Window
-55.9%
Relationship matrix
Correlation
Pearson r
| Signal | IV Rank | ATM IV | IV Percent... |
|---|---|---|---|
| IV Rank | 1.00 | 0.80 | 0.74 |
| ATM IV | 0.80 | 1.00 | 0.75 |
| IV Percent... | 0.74 | 0.75 | 1.00 |
Source observations
Data inspector
1-50 of 506
- 1 / 11
| Date | Close | IV Rank | ATM IV | IV Percentile |
|---|---|---|---|---|
| 2026-09-11 | 275.2 | 11.79 | 0.26 | 40.78 |
| 2026-09-10 | 270.77 | 11 | 0.25 | 36.47 |
| 2026-09-09 | 275.15 | 11.8 | 0.26 | 40.39 |
| 2026-09-08 | 275.66 | 10.65 | 0.24 | 33.33 |
| 2026-09-07 | 275.17 | 10.68 | 0.24 | 33.46 |
| 2026-09-04 | 275.17 | 10.16 | 0.23 | 31.37 |
| 2026-09-03 | 275.1 | 9.2 | 0.22 | 21.57 |
| 2026-09-02 | 275.26 | 9.49 | 0.22 | 23.53 |
| 2026-09-01 | 277.48 | 10.07 | 0.23 | 29.13 |
| 2026-08-31 | 276.6 | 6.65 | 0.18 | 4.74 |
| 2026-08-28 | 281.88 | 6.03 | 0.17 | 2.36 |
| 2026-08-27 | 285.75 | 7.24 | 0.19 | 8.27 |
| 2026-08-26 | 287.98 | 5.16 | 0.15 | 0.39 |
| 2026-08-25 | 288.06 | 7.48 | 0.19 | 9.45 |
| 2026-08-24 | 291.75 | 5.69 | 0.16 | 0.4 |
| 2026-08-21 | 290.25 | 5.9 | 0.17 | 0.39 |
| 2026-08-20 | 288.65 | 6.39 | 0.17 | 2.36 |
| 2026-08-19 | 289.35 | 5.93 | 0.17 | 0.39 |
| 2026-08-18 | 286.5 | 6.21 | 0.17 | 0.79 |
| 2026-08-17 | 286.47 | 7.18 | 0.19 | 5.14 |
| 2026-08-14 | 286.76 | 7.14 | 0.19 | 3.94 |
| 2026-08-13 | 287.91 | 2.97 | 0.18 | 1.97 |
| 2026-08-12 | 290.03 | 3.06 | 0.18 | 1.97 |
| 2026-08-11 | 291.48 | 3.13 | 0.19 | 3.15 |
| 2026-08-10 | 289.64 | 3.86 | 0.21 | 11.86 |
| 2026-08-07 | 290.37 | 3.71 | 0.21 | 9.45 |
| 2026-08-06 | 288.9 | 3.74 | 0.21 | 9.84 |
| 2026-08-05 | 289.9 | 3.71 | 0.21 | 9.06 |
| 2026-08-04 | 290.35 | 3.6 | 0.2 | 7.48 |
| 2026-08-03 | 291.44 | 4.37 | 0.23 | 20.55 |
| 2026-07-31 | 292.98 | 3.2 | 0.19 | 4.72 |
| 2026-07-30 | 293.6 | 3.4 | 0.2 | 5.91 |
| 2026-07-29 | 301.19 | 3.64 | 0.21 | 6.69 |
| 2026-07-28 | 300.5 | 3.43 | 0.2 | 5.91 |
| 2026-07-27 | 297.46 | 3.32 | 0.19 | 5.53 |
| 2026-07-24 | 294.34 | 2.6 | 0.17 | 0.39 |
| 2026-07-23 | 289.72 | 3.83 | 0.21 | 7.09 |
| 2026-07-22 | 290.5 | 2.83 | 0.18 | 1.18 |
| 2026-07-21 | 289.48 | 3.23 | 0.19 | 3.94 |
| 2026-07-20 | 290.38 | 5.61 | 0.28 | 29.64 |
| 2026-07-17 | 291.44 | 3.95 | 0.22 | 8.66 |
| 2026-07-16 | 292.69 | 3.17 | 0.19 | 3.15 |
| 2026-07-15 | 281.26 | 3.67 | 0.21 | 4.72 |
| 2026-07-14 | 275.26 | 3.85 | 0.21 | 5.51 |
| 2026-07-13 | 272.93 | 3.94 | 0.22 | 6.72 |
| 2026-07-10 | 271.78 | 4.11 | 0.22 | 9.45 |
| 2026-07-09 | 270.87 | 4.16 | 0.22 | 10.24 |
| 2026-07-08 | 272.28 | 4.23 | 0.23 | 10.63 |
| 2026-07-07 | 274.02 | 3.72 | 0.21 | 4.72 |
| 2026-07-02 | 273.56 | 3.31 | 0.19 | 3.53 |