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V-Lab

iShares 0-1 Year Treasury Bond ETF MF2-GARCH Volatility Analysis

Volatility prediction for Wednesday, September 30th, 2026

1 Day

0.32%

increased by 0.02%

1 Week

0.32%

increased by 0.02%

1 Month

0.33%

increased by 0.03%

Analysis last updated: Tuesday, September 29, 2026 at 09:37 PM UTC

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graph of iShares 0-1 Year Treasury Bond ETF MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 11, 2007 to Sep 25, 2026

Model Insight

Volatility shocks decay with a half-life of 4 trading days, meaning a shock loses half its impact after approximately 4 days.

σ

MF2-GARCH Model

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Shock decay: Shocks decay with a 4-day half-life
ParamValuet-stat
mwindow21
αARCH0.0881
3.66***
βGARCH0.7127
14.41***
γleverage0.0637
1.61
λ₁tau intercept0.0000
1.00
λ₂forecast adj.0.0674
4.60***
λ₃tau persistence0.9304
61.42***

0.833

Persistence

4d

Half-life
σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

21
α

ARCH

Response to squared shocks

0.0881
3.66***
β

GARCH

Volatility persistence

0.7127
14.41***
γ

leverage

Additional response to negative shocks

0.0637
1.61
λ₁

tau intercept

Baseline long-term coefficient

0.0000
1.00
λ₂

forecast adj.

Forecast performance sensitivity

0.0674
4.60***
λ₃

tau persistence

Long-term factor persistence

0.9304
61.42***

Persistence:

0.833

Half-life:

4 days