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US Dollar to Thai Baht Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Friday, October 23rd, 2026

1 Day

5.97%

decreased by 0.23%

1 Week

6.13%

decreased by 0.07%

1 Month

6.70%

increased by 0.50%

Analysis last updated: Thursday, October 22, 2026 at 08:10 PM UTC

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Date Range:

from

10/22/2024

to

10/22/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of US Dollar to Thai Baht S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

May 6, 1991 to Oct 16, 2026

Model Insight

With persistence 0.994, volatility shocks have a half-life of 111 trading days (~0.4 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 0.994, shock half-life ~111 days
ParamValuet-stat
ωconst0.5814
1.96*
αARCH0.0969
11.24***
βGARCH0.8969
117.69***
∑γi Spline Coefficients
K=4
γ1-0.0031
-0.41
γ2-0.0021
-0.20
γ30.0144
2.49**
γ4-0.0149
-4.00***

0.994

Persistence

111d

Half-life
τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.5814
1.96*
α

ARCH

Response to squared shocks

0.0969
11.24***
β

GARCH

Volatility persistence

0.8969
117.69***
∑γi Spline Coefficients
K=4
γ1-0.0031
-0.41
γ2-0.0021
-0.20
γ30.0144
2.49**
γ4-0.0149
-4.00***

Persistence:

0.994

Half-life:

111 days