V-Lab
Colombian Peso AGARCH Volatility Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Volatility prediction for Wednesday, September 9th, 2026
1 Day
16.06%
1 Week
16.16%
1 Month
16.56%
Analysis last updated: Tuesday, September 8, 2026 at 07:03 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 20, 1992 to Sep 4, 2026Model Insight
Estimated persistence of 1.005 is at or above 1 (non-stationary): volatility shocks do not decay and the long-run variance is undefined, so long-horizon forecasts should be treated with caution.
Asymmetry: positive returns raise volatility more
AGARCH Model
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| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0005 | 1.70* |
| αARCH | 0.0713 | 11.71*** |
| βGARCH | 0.9339 | 192.72*** |
| γleverage | -0.0698 | -2.54** |
1.005
Persistence-
Half-lifeAGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0005 | 1.70* |
α ARCH Response to squared shocks | 0.0713 | 11.71*** |
β GARCH Volatility persistence | 0.9339 | 192.72*** |
γ leverage Additional response to negative shocks | -0.0698 | -2.54** |
Persistence:
1.005
Half-life:
-
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