V-Lab
Home Depot Inc/The GJR-GARCH Volatility Analysis
Volatility prediction for Thursday, August 6th, 2026
1 Day
27.15%
decreased by 0.64%
1 Week
27.31%
decreased by 0.48%
1 Month
27.95%
increased by 0.16%
Analysis last updated: Wednesday, August 5, 2026 at 09:42 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Jul 31, 2026Model Insight
With persistence 0.994, volatility shocks have a half-life of 124 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 371% more than positive returns
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0345 | 14.70*** |
α ARCH Response to squared shocks | 0.0232 | 15.14*** |
β GARCH Volatility persistence | 0.9282 | 504.73*** |
γ leverage Additional response to negative shocks | 0.0861 | 19.66*** |
Persistence:
0.994
Half-life:
124 days
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