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V-Lab

Schwab Short-Term U.S. Treasury ETF MF2-GARCH Volatility Analysis

Volatility prediction for Monday, September 14th, 2026

1 Day

1.65%

decreased by 0.08%

1 Week

1.65%

decreased by 0.08%

1 Month

1.62%

decreased by 0.11%

Analysis last updated: Friday, September 11, 2026 at 11:51 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of Schwab Short-Term U.S. Treasury ETF MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Aug 5, 2010 to Sep 11, 2026
Stationarity Enforced

Model Insight

Volatility shocks decay with a half-life of 12 trading days, meaning a shock loses half its impact after approximately 12 days.

σ

MF2-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 12-day half-life
ParamValuet-stat
mwindow86
αARCH0.0731
4.10***
βGARCH0.8806
40.95***
γleverage-0.0162
-0.61
λ₁tau intercept0.0002
1.75*
λ₂forecast adj.0.9793
19.60***
λ₃tau persistence0.0000
0.00

0.946

Persistence

12d

Half-life
σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

86
α

ARCH

Response to squared shocks

0.0731
4.10***
β

GARCH

Volatility persistence

0.8806
40.95***
γ

leverage

Additional response to negative shocks

-0.0162
-0.61
λ₁

tau intercept

Baseline long-term coefficient

0.0002
1.75*
λ₂

forecast adj.

Forecast performance sensitivity

0.9793
19.60***
λ₃

tau persistence

Long-term factor persistence

0.0000
0.00

Persistence:

0.946

Half-life:

12 days