Megachips Corp GARCH Volatility Analysis
Volatility prediction for Tuesday, July 21st, 2026
1 Day
50.64%
increased by 8.33%
1 Week
50.67%
increased by 8.36%
1 Month
50.80%
increased by 8.49%
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
Volatility shocks decay with a half-life of 42 trading days, meaning a shock loses half its impact after approximately 42 days.
σ
GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1752 | 15.54*** |
α ARCH Response to squared shocks | 0.0660 | 28.14*** |
β GARCH Volatility persistence | 0.9175 | 309.03*** |
Persistence:
0.983
Half-life:
42 days
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