Stock Exchange of Thailand SET 50 Index EGARCH Volatility Analysis
Volatility prediction for Friday, July 10th, 2026
1 Day
17.80%
increased by 0.86%
1 Week
18.21%
increased by 1.27%
1 Month
19.81%
increased by 2.87%
Analysis last updated: Friday, July 10, 2026 at 08:30 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 16, 1995 to Apr 30, 2026Model Insight
This asset exhibits a notable leverage effect: negative returns increase next-day volatility 68% more than equivalent positive returns.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0270 | 15.51*** |
α ARCH Response to squared shocks | 0.2030 | 49.09*** |
β GARCH Volatility persistence | 0.9827 | 1,044.36*** |
γ leverage Additional response to negative shocks | -0.0513 | -10.28*** |
Persistence:
0.983
Half-life:
40 days
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