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V-Lab

20Y US Treasury CMT 20 Year MF2-GARCH Volatility Analysis

Volatility prediction for Monday, November 9th, 2026

1 Day

16.45%

decreased by 0.25%

1 Week

16.52%

decreased by 0.18%

1 Month

16.80%

increased by 0.10%

Analysis last updated: Saturday, November 7, 2026 at 05:00 AM UTC

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Date Range:

from

11/06/2024

to

11/06/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of 20Y US Treasury CMT 20 Year MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 1, 1993 to Nov 6, 2026

Model Insight

With persistence 0.999, volatility shocks have a half-life of 954 trading days (~3.8 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Leverage: Negative returns increase volatility 188% more than positive returns

σ

MF2-GARCH Model

Tap to view equation

High persistence: persistence 0.999, shock half-life ~954 daysLeverage: Negative returns increase volatility 188% more than positive returns
ParamValuet-stat
mwindow126
αARCH0.0183
5.01***
βGARCH0.9638
231.57***
γleverage0.0344
4.79***
λ₁tau intercept0.0013
0.32
λ₂forecast adj.0.0000
0.00
λ₃tau persistence0.9999
186.06***

0.999

Persistence

954d

Half-life
σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

126
α

ARCH

Response to squared shocks

0.0183
5.01***
β

GARCH

Volatility persistence

0.9638
231.57***
γ

leverage

Additional response to negative shocks

0.0344
4.79***
λ₁

tau intercept

Baseline long-term coefficient

0.0013
0.32
λ₂

forecast adj.

Forecast performance sensitivity

0.0000
0.00
λ₃

tau persistence

Long-term factor persistence

0.9999
186.06***

Persistence:

0.999

Half-life:

954 days