V-Lab
Bloomberg US Treasury Bond Index Total Return Value Unhedged USD MF2-GARCH Volatility Analysis
Volatility prediction for Friday, August 21st, 2026
1 Day
3.72%
1 Week
3.74%
1 Month
3.78%
Analysis last updated: Monday, August 24, 2026 at 08:12 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 28, 1994 to Aug 20, 2026Model Insight
With persistence 0.997, volatility shocks have a half-life of 239 trading days (~0.9 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Inverse leverage: Positive returns increase volatility 52% more than negative returns
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 21 | |
α ARCH Response to squared shocks | 0.0291 | 10.94*** |
β GARCH Volatility persistence | 0.9730 | 407.62*** |
γ leverage Additional response to negative shocks | -0.0099 | -9.15*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0602 | 0.28 |
λ₂ forecast adj. Forecast performance sensitivity | 0.2377 | 0.29 |
λ₃ tau persistence Long-term factor persistence | 0.0000 | 0.00 |
Persistence:
0.997
Half-life:
239 days
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