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Simpson Manufacturing Co Inc GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

36.61%

decreased by 1.90%

1 Week

36.60%

decreased by 1.91%

1 Month

36.60%

decreased by 1.91%

Analysis last updated: Friday, August 21, 2026 at 11:10 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Simpson Manufacturing Co Inc GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

May 26, 1994 to Aug 21, 2026

Model Insight

Volatility shocks decay with a half-life of 66 trading days, meaning a shock loses half its impact after approximately 66 days. Returns follow a Student-t distribution with v = 5.07 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.2974
4.09***
α

ARCH

Response to squared shocks

0.0649
27.96***
β

GARCH

Volatility persistence

0.9895
371.58***
ν

DF

Student-t tail thickness

5.0737
8.22***

Persistence:

0.990

Half-life:

66 days