Vanguard California Tax-Exempt Bond ETF VTEC 96.26 0.18 0.19%
VTEC Historical Options Analysis
Explore VTEC (Vanguard California Tax-Exempt Bond ETF) 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
VTEC / Comparative study
3 signals / 502 sessions
Window statistics
Signal snapshot
Current value vs. selected history
IV Rank
z 0.58
26.59
Mean
13.33
Window
-19.5%
ATM IV
z -0.44
0.1
Mean
0.19
Window
-56.4%
IV Percentile
z 1.10
74.29
Mean
41.22
Window
--
Relationship matrix
Correlation
Pearson r
| Signal | IV Rank | ATM IV | IV Percent... |
|---|---|---|---|
| IV Rank | 1.00 | 0.64 | 0.63 |
| ATM IV | 0.64 | 1.00 | 0.57 |
| IV Percent... | 0.63 | 0.57 | 1.00 |
Source observations
Data inspector
1-50 of 502
- 1 / 11
| Date | Close | IV Rank | ATM IV | IV Percentile |
|---|---|---|---|---|
| 2026-09-21 | 96.26 | 26.59 | 0.1 | 74.29 |
| 2026-09-18 | 96.08 | 5.63 | 0.09 | 70.2 |
| 2026-09-17 | 96.33 | 6.63 | 0.1 | 77.14 |
| 2026-09-16 | 96.06 | 4.14 | 0.08 | 62.04 |
| 2026-09-15 | 96.05 | 6.1 | 0.1 | 73.06 |
| 2026-09-14 | 96.39 | 8.46 | 0.12 | 88.11 |
| 2026-09-11 | 96.39 | 5.67 | 0.09 | 69.8 |
| 2026-09-10 | 96.13 | 3.24 | 0.07 | 52.24 |
| 2026-09-09 | 96.78 | 1.38 | 0.05 | 11.02 |
| 2026-09-08 | 97.22 | 4.64 | 0.08 | 67.35 |
| 2026-09-07 | 97.28 | 4.62 | 0.08 | 66.8 |
| 2026-09-04 | 97.28 | 3.7 | 0.07 | 56.73 |
| 2026-09-03 | 97.26 | 22.93 | 0.28 | 95.92 |
| 2026-09-02 | 97.42 | 20.23 | 0.25 | 95.1 |
| 2026-09-01 | 97.46 | 16.55 | 0.21 | 94.67 |
| 2026-08-31 | 98.13 | 17.77 | 0.22 | 95.06 |
| 2026-08-28 | 98.31 | 10.51 | 0.14 | 90.16 |
| 2026-08-27 | 98.4 | 10.44 | 0.14 | 89.34 |
| 2026-08-26 | 98.5 | 10.17 | 0.14 | 88.52 |
| 2026-08-25 | 98.63 | 10.03 | 0.14 | 88.11 |
| 2026-08-24 | 98.63 | 9.74 | 0.14 | 87.65 |
| 2026-08-21 | 98.55 | 8.98 | 0.13 | 86.89 |
| 2026-08-20 | 98.62 | 8.82 | 0.13 | 86.48 |
| 2026-08-19 | 98.84 | 8.78 | 0.13 | 86.07 |
| 2026-08-18 | 98.6 | 8.44 | 0.12 | 85.25 |
| 2026-08-17 | 98.85 | 8.42 | 0.12 | 85.19 |
| 2026-08-14 | 99.15 | 7.98 | 0.12 | 83.61 |
| 2026-08-13 | 99.35 | 7.92 | 0.12 | 82.79 |
| 2026-08-12 | 99.21 | 7.78 | 0.12 | 81.97 |
| 2026-08-11 | 99.17 | 7.73 | 0.11 | 81.56 |
| 2026-08-10 | 99.1 | 7.96 | 0.12 | 82.3 |
| 2026-08-07 | 99.14 | 7.56 | 0.11 | 80.74 |
| 2026-08-06 | 98.86 | 7.38 | 0.11 | 78.69 |
| 2026-08-05 | 98.89 | 7.28 | 0.11 | 77.46 |
| 2026-08-04 | 98.79 | 7.09 | 0.11 | 76.23 |
| 2026-08-03 | 98.45 | 6.51 | 0.1 | 73.66 |
| 2026-07-31 | 98.66 | 2.96 | 0.06 | 49.18 |
| 2026-07-30 | 98.72 | 3.29 | 0.07 | 51.64 |
| 2026-07-29 | 98.86 | 3.83 | 0.07 | 56.97 |
| 2026-07-28 | 98.86 | 4.2 | 0.08 | 60.25 |
| 2026-07-27 | 98.77 | 3.6 | 0.07 | 54.32 |
| 2026-07-24 | 98.59 | 3.24 | 0.07 | 51.23 |
| 2026-07-23 | 98.44 | 1.42 | 0.05 | 11.48 |
| 2026-07-22 | 99.08 | 1.04 | 0.04 | 2.87 |
| 2026-07-21 | 99.39 | 1.28 | 0.05 | 6.97 |
| 2026-07-20 | 99.52 | 2.9 | 0.06 | 46.5 |
| 2026-07-17 | 99.62 | 7.55 | 0.11 | 74.18 |
| 2026-07-16 | 99.69 | -- | -- | -- |
| 2026-07-15 | 99.85 | 1.29 | 0.05 | 6.94 |
| 2026-07-14 | 100.02 | 2.95 | 0.06 | 46.53 |