Caracas Stock Exchange Stock Market Index AGARCH Volatility Analysis
Volatility prediction for Thursday, October 8th, 2026
1 Day
46.27%
decreased by 0.25%
1 Week
47.12%
increased by 0.60%
1 Month
50.22%
increased by 3.70%
Analysis last updated: Thursday, October 8, 2026 at 06:11 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 25, 2015 to Oct 2, 2026Model Insight
With persistence 0.992, volatility shocks have a half-life of 82 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
σ
AGARCH Model
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High persistence: persistence 0.992, shock half-life ~82 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.2303 | 0.99 |
| αARCH | 0.0298 | 1.46 |
| βGARCH | 0.9618 | 39.64*** |
| γleverage | 0.0000 |
0.992
Persistence82d
Half-lifeσ
AGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.2303 | 0.99 |
α ARCH Response to squared shocks | 0.0298 | 1.46 |
β GARCH Volatility persistence | 0.9618 | 39.64*** |
γ leverage Additional response to negative shocks | 0.0000 |
Persistence:
0.992
Half-life:
82 days
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