V-Lab
Empa Elektronik Sanayi VE Ticaret AS EGARCH Volatility Analysis
Volatility prediction for Wednesday, August 5th, 2026
1 Day
129.18%
increased by 13.16%
1 Week
121.18%
increased by 5.16%
1 Month
105.15%
decreased by 10.87%
Analysis last updated: Wednesday, August 5, 2026 at 08:28 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 26, 2026 to Jul 31, 2026Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 139% 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 | 0.3130 | 4.77*** |
α ARCH Response to squared shocks | 0.2581 | 8.80*** |
β GARCH Volatility persistence | 0.9081 | 61.01*** |
γ leverage Additional response to negative shocks | 0.1060 | 3.11*** |
Persistence:
0.908
Half-life:
7 days
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