V-Lab
Hwacom Systems Inc GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
68.70%
increased by 9.56%
1 Week
66.84%
increased by 7.70%
1 Month
60.77%
increased by 1.63%
Analysis last updated: Sunday, July 26, 2026 at 06:16 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 12, 2006 to Jul 24, 2026Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 75% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.2486 | 15.14*** |
α ARCH Response to squared shocks | 0.0985 | 15.84*** |
β GARCH Volatility persistence | 0.8815 | 196.89*** |
γ leverage Additional response to negative shocks | -0.0421 | -4.75*** |
Persistence:
0.959
Half-life:
17 days
Other Hwacom Systems Inc Analyses
Other GJR-GARCH Analyses on International Equities