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6M US Treasury CMT 6 Month Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Monday, November 9th, 2026

1 Day

13.84%

increased by 0.35%

1 Week

14.08%

increased by 0.59%

1 Month

15.01%

increased by 1.52%

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 6M US Treasury CMT 6 Month S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 1, 1990 to Nov 6, 2026

Model Insight

With persistence 1.000, volatility shocks have a half-life of 6027 trading days (~23.9 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

High persistence: persistence 1.000, shock half-life ~6027 days
ParamValuet-stat
ωconst1.3975
2.27**
αARCH0.1331
10.52***
βGARCH0.8668
68.42***
∑γi Spline Coefficients
K=8
γ1-0.1869
-2.67***
γ20.2762
2.62***
γ3-0.1616
-2.45**
γ40.2385
4.46***
γ5-0.2777
-2.97***
γ6-0.0183
-0.14
γ70.2711
2.37**
γ8-0.1620
-2.68***

1.000

Persistence

6027d

Half-life
τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.3975
2.27**
α

ARCH

Response to squared shocks

0.1331
10.52***
β

GARCH

Volatility persistence

0.8668
68.42***
∑γi Spline Coefficients
K=8
γ1-0.1869
-2.67***
γ20.2762
2.62***
γ3-0.1616
-2.45**
γ40.2385
4.46***
γ5-0.2777
-2.97***
γ6-0.0183
-0.14
γ70.2711
2.37**
γ8-0.1620
-2.68***

Persistence:

1.000

Half-life:

6027 days