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1M US Treasury CMT 1 Month Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Monday, November 9th, 2026

1 Day

8.75%

decreased by 0.39%

1 Week

9.08%

decreased by 0.06%

1 Month

10.28%

increased by 1.14%

Analysis last updated: Saturday, November 7, 2026 at 04:01 AM UTC

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Date Range:

from

11/06/2024

to

11/06/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of 1M US Treasury CMT 1 Month S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jul 31, 2001 to Nov 6, 2026

Model Insight

With persistence 0.999, volatility shocks have a half-life of 510 trading days (~2.0 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 0.999, shock half-life ~510 days
ParamValuet-stat
ωconst1.9738
1.45
αARCH0.1458
8.95***
βGARCH0.8529
54.16***
∑γi Spline Coefficients
K=9
γ10.4925
0.62
γ20.7162
0.62
γ3-2.2937
-2.69***
γ41.4391
2.39**
γ5-0.7359
-2.17**
γ60.2481
0.94
γ70.3566
1.60
γ80.0140
0.06
γ9-0.3623
-1.74*

0.999

Persistence

510d

Half-life
τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.9738
1.45
α

ARCH

Response to squared shocks

0.1458
8.95***
β

GARCH

Volatility persistence

0.8529
54.16***
∑γi Spline Coefficients
K=9
γ10.4925
0.62
γ20.7162
0.62
γ3-2.2937
-2.69***
γ41.4391
2.39**
γ5-0.7359
-2.17**
γ60.2481
0.94
γ70.3566
1.60
γ80.0140
0.06
γ9-0.3623
-1.74*

Persistence:

0.999

Half-life:

510 days