V-Lab
Home Depot Inc/The GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 10th, 2026
1 Day
26.39%
decreased by 0.48%
1 Week
26.57%
decreased by 0.30%
1 Month
27.24%
increased by 0.37%
Analysis last updated: Friday, August 7, 2026 at 10:42 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Aug 7, 2026Model Insight
With persistence 0.994, volatility shocks have a half-life of 125 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 374% more than positive returns
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0340 | 14.64*** |
α ARCH Response to squared shocks | 0.0228 | 15.08*** |
β GARCH Volatility persistence | 0.9291 | 509.65*** |
γ leverage Additional response to negative shocks | 0.0852 | 19.63*** |
Persistence:
0.994
Half-life:
125 days
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