Megachips Corp EGARCH Volatility Analysis
Volatility prediction for Tuesday, July 21st, 2026
1 Day
53.32%
increased by 8.01%
1 Week
53.68%
increased by 8.37%
1 Month
54.94%
increased by 9.63%
Analysis last updated: Sunday, July 19, 2026 at 02:03 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 17, 1998 to Jul 17, 2026Model Insight
This asset exhibits a modest leverage effect: negative returns increase next-day volatility 35% more than equivalent positive returns.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0598 | 14.32*** |
α ARCH Response to squared shocks | 0.1465 | 29.11*** |
β GARCH Volatility persistence | 0.9781 | 638.46*** |
γ leverage Additional response to negative shocks | -0.0218 | -4.80*** |
Persistence:
0.978
Half-life:
31 days
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