V-Lab
Wisdomtree 1-3 YR Ladd TR FD GAS-GARCH Student T Volatility Analysis
Volatility prediction for Wednesday, September 30th, 2026
1 Day
1.65%
decreased by 0.02%
1 Week
1.65%
decreased by 0.02%
1 Month
1.64%
decreased by 0.03%
Analysis last updated: Tuesday, September 29, 2026 at 09:32 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 14, 2024 to Sep 25, 2026Model Insight
Volatility shocks decay with a half-life of 41 trading days, meaning a shock loses half its impact after approximately 41 days. Returns follow a Student-t distribution with v = 6.58 degrees of freedom, capturing fatter tails than a normal distribution.
𝑓
GAS-GARCH-T Model
Tap to view equation
Shock decay: Shocks decay with a 41-day half-lifev = 6.58 · fat tails
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0098 | 0.81 |
| αARCH | 0.0388 | 2.02** |
| βGARCH | 0.9833 | 40.43*** |
| νDF | 6.5813 | 0.31 |
0.983
Persistence41d
Half-life𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0098 | 0.81 |
α ARCH Response to squared shocks | 0.0388 | 2.02** |
β GARCH Volatility persistence | 0.9833 | 40.43*** |
ν DF Student-t tail thickness | 6.5813 | 0.31 |
Persistence:
0.983
Half-life:
41 days
Other Wisdomtree 1-3 YR Ladd TR FD Analyses
Other GAS-GARCH Student T Analyses on ETFs