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Home Depot Inc/The GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, September 15th, 2026

1 Day

26.76%

decreased by 0.78%

1 Week

26.93%

decreased by 0.61%

1 Month

27.56%

increased by 0.02%

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

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Home Depot Inc/The GJR-GARCH

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 0.994, volatility shocks have a half-life of 123 trading days (~0.5 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Leverage: Negative returns increase volatility 370% more than positive returns

σ

GJR-GARCH Model

Tap to view equation

High persistence: persistence 0.994, shock half-life ~123 daysLeverage: Negative returns increase volatility 370% more than positive returns
ParamValuet-stat
ωconst0.0338
3.66***
αARCH0.0228
3.78***
βGARCH0.9293
127.62***
γleverage0.0844
4.88***

0.994

Persistence

123d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0338
3.66***
α

ARCH

Response to squared shocks

0.0228
3.78***
β

GARCH

Volatility persistence

0.9293
127.62***
γ

leverage

Additional response to negative shocks

0.0844
4.88***

Persistence:

0.994

Half-life:

123 days