V-Lab
Colombian Peso EGARCH Volatility Analysis
Volatility prediction for Monday, September 14th, 2026
1 Day
13.10%
decreased by 0.75%
1 Week
13.35%
decreased by 0.50%
1 Month
14.35%
increased by 0.50%
Analysis last updated: Friday, September 11, 2026 at 08:39 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 20, 1992 to Sep 11, 2026Model Insight
Volatility shocks decay with a half-life of 63 trading days, meaning a shock loses half its impact after approximately 63 days.
σ
EGARCH Model
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Shock decay: Shocks decay with a 63-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0148 | 4.97*** |
| αARCH | 0.1725 | 12.05*** |
| βGARCH | 0.9890 | 570.37*** |
| γleverage | 0.0240 | 1.73* |
0.989
Persistence63d
Half-lifeσ
EGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0148 | 4.97*** |
α ARCH Response to squared shocks | 0.1725 | 12.05*** |
β GARCH Volatility persistence | 0.9890 | 570.37*** |
γ leverage Additional response to negative shocks | 0.0240 | 1.73* |
Persistence:
0.989
Half-life:
63 days
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