V-Lab
Stock Exchange of Thailand SET Index MF2-GARCH Volatility Analysis
Volatility prediction for Monday, September 7th, 2026
1 Day
13.44%
increased by 0.19%
1 Week
13.98%
increased by 0.73%
1 Month
15.33%
increased by 2.08%
Analysis last updated: Saturday, September 5, 2026 at 05:57 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Sep 4, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 264% more than equivalent positive returns.
σ
MF2-GARCH Model
Tap to view equation
Leverage: Negative returns increase volatility 264% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| mwindow | 21 | |
| αARCH | 0.0517 | 3.46*** |
| βGARCH | 0.7815 | 35.29*** |
| γleverage | 0.1362 | 4.34*** |
| λ₁tau intercept | 0.0030 | 2.56** |
| λ₂forecast adj. | 0.0222 | 3.19*** |
| λ₃tau persistence | 0.9765 | 133.75*** |
0.901
Persistence7d
Half-lifeσ
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 21 | |
α ARCH Response to squared shocks | 0.0517 | 3.46*** |
β GARCH Volatility persistence | 0.7815 | 35.29*** |
γ leverage Additional response to negative shocks | 0.1362 | 4.34*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0030 | 2.56** |
λ₂ forecast adj. Forecast performance sensitivity | 0.0222 | 3.19*** |
λ₃ tau persistence Long-term factor persistence | 0.9765 | 133.75*** |
Persistence:
0.901
Half-life:
7 days
Other MF2-GARCH Analyses on Equity Indices