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Home Depot Inc/The GAS-GARCH Student T Volatility Analysis

Volatility prediction for Tuesday, September 15th, 2026

1 Day

24.82%

decreased by 0.87%

1 Week

24.94%

decreased by 0.75%

1 Month

25.36%

decreased by 0.33%

Analysis last updated: Monday, September 14, 2026 at 09:49 PM UTC

Date Range:

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to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of Home Depot Inc/The GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Sep 11, 2026

Model Insight

With persistence 0.992, volatility shocks have a half-life of 88 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate. Returns follow a Student-t distribution with v = 6.12 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

High persistence: persistence 0.992, shock half-life ~88 daysv = 6.12 · fat tails
ParamValuet-stat
ωconst3.8688
1.12
αARCH0.0670
8.72***
βGARCH0.9922
138.17***
νDF6.1229
1.98**

0.992

Persistence

88d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

3.8688
1.12
α

ARCH

Response to squared shocks

0.0670
8.72***
β

GARCH

Volatility persistence

0.9922
138.17***
ν

DF

Student-t tail thickness

6.1229
1.98**

Persistence:

0.992

Half-life:

88 days