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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%

increased by 0.02%

1 Week

3.74%

increased by 0.04%

1 Month

3.78%

increased by 0.08%

Analysis last updated: Monday, August 24, 2026 at 08:12 PM UTC

Date Range:

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to

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graph of Bloomberg US Treasury Bond Index Total Return Value Unhedged USD MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Feb 28, 1994 to Aug 20, 2026

Model 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

σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-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