V-Lab
Manila Electric Co MF2-GARCH Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
31.56%
decreased by 1.97%
1 Week
32.87%
decreased by 0.66%
1 Month
36.90%
increased by 3.37%
Analysis last updated: Friday, September 11, 2026 at 09:04 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 7, 1995 to Sep 4, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 126% more than equivalent positive returns.
σ
MF2-GARCH Model
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Leverage: Negative returns increase volatility 126% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| mwindow | 51 | |
| αARCH | 0.1322 | 6.04*** |
| βGARCH | 0.7154 | 27.03*** |
| γleverage | 0.1664 | 3.25*** |
| λ₁tau intercept | 0.0283 | 1.79* |
| λ₂forecast adj. | 0.0251 | 2.77*** |
| λ₃tau persistence | 0.9714 | 95.67*** |
0.931
Persistence10d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 51 | |
α ARCH Response to squared shocks | 0.1322 | 6.04*** |
β GARCH Volatility persistence | 0.7154 | 27.03*** |
γ leverage Additional response to negative shocks | 0.1664 | 3.25*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0283 | 1.79* |
λ₂ forecast adj. Forecast performance sensitivity | 0.0251 | 2.77*** |
λ₃ tau persistence Long-term factor persistence | 0.9714 | 95.67*** |
Persistence:
0.931
Half-life:
10 days
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