Wisdomtree 1-3 YR Ladd TR FD Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 21st, 2026
1 Day
1.36%
decreased by 0.01%
1 Week
1.36%
decreased by 0.01%
1 Month
1.36%
decreased by 0.01%
Analysis last updated: Monday, July 20, 2026 at 09:31 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 14, 2024 to Jul 17, 2026Model Insight
This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 9 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.4663 | 8.25*** |
α ARCH Response to squared shocks | 0.0140 | 0.56 |
β GARCH Volatility persistence | 0.9106 | 4.73*** |
Spline Coefficients
K=1
| γ1 | 0.1786 | 3.79*** |
Persistence:
0.925
Half-life:
9 days
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