V-Lab
Empa Elektronik Sanayi VE Ticaret AS GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 26th, 2026
1 Day
75.28%
decreased by 6.02%
1 Week
78.34%
decreased by 2.96%
1 Month
85.45%
increased by 4.15%
Analysis last updated: Wednesday, August 26, 2026 at 09:54 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 26, 2026 to Aug 21, 2026Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 125% 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
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 2.7509 | 3.79*** |
α ARCH Response to squared shocks | 0.2426 | 4.70*** |
β GARCH Volatility persistence | 0.7473 | 29.18*** |
γ leverage Additional response to negative shocks | -0.1348 | -1.97** |
Persistence:
0.922
Half-life:
9 days
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