V-Lab
Ecuador Guayaquil Stock Exchange BVG GJR-GARCH Volatility Analysis
Volatility prediction for Friday, August 28th, 2026
1 Day
10.85%
decreased by 0.35%
1 Week
11.07%
decreased by 0.13%
1 Month
11.68%
increased by 0.48%
Analysis last updated: Wednesday, September 2, 2026 at 04:06 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 3, 1994 to Aug 27, 2026Illiquid Asset
Model Insight
Volatility shocks decay with a half-life of 14 trading days, meaning a shock loses half its impact after approximately 14 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0325 | 4.02*** |
α ARCH Response to squared shocks | 0.0649 | 3.11*** |
β GARCH Volatility persistence | 0.8744 | 41.57*** |
γ leverage Additional response to negative shocks | 0.0249 | 0.68 |
Persistence:
0.952
Half-life:
14 days
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