V-Lab
Toyo Securities Co Ltd EGARCH Volatility Analysis
Volatility prediction for Wednesday, August 5th, 2026
1 Day
33.86%
increased by 11.09%
1 Week
31.17%
increased by 8.40%
1 Month
30.79%
increased by 8.02%
Analysis last updated: Wednesday, August 5, 2026 at 06:36 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 13, 2026 to Jul 31, 2026Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 289% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 2.1057 | 18.63*** |
α ARCH Response to squared shocks | 0.6835 | 6.71*** |
β GARCH Volatility persistence | -0.5984 | -12.73*** |
γ leverage Additional response to negative shocks | 0.4039 | 4.80*** |
Persistence:
-0.598
Half-life:
-
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