US Dollar to Chilean Peso GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, November 9th, 2026
1 Day
10.83%
1 Week
10.83%
1 Month
10.83%
Analysis last updated: Sunday, November 8, 2026 at 03:13 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 19, 1990 to Nov 6, 2026Model Insight
With persistence 0.998, volatility shocks have a half-life of 432 trading days (~1.7 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate. Returns follow a Student-t distribution with v = 4.46 degrees of freedom, capturing fatter tails than a normal distribution.
GAS-GARCH-T Model
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| Param | Value | t-stat |
|---|---|---|
| ωlong-run | 0.5784 | 2.20** |
| αscore | 0.0583 | 24.10*** |
| βpersistence | 0.9984 | 1,515.02*** |
| νDF | 4.4561 | 14.41*** |
0.998
Persistence432d
Half-lifeGAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω long-run Long-run variance given a price move | 0.5784 | 2.20** |
α score Weight on the scaled score | 0.0583 | 24.10*** |
β persistence Volatility persistence | 0.9984 | 1,515.02*** |
ν DF Student-t tail thickness | 4.4561 | 14.41*** |
Persistence:
0.998
Half-life:
432 days
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