V-Lab
US Dollar to Colombian Peso GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, September 14th, 2026
1 Day
138.28%
decreased by 7.77%
1 Week
138.23%
decreased by 7.82%
1 Month
138.03%
decreased by 8.02%
Analysis last updated: Friday, September 11, 2026 at 08:54 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 18, 1994 to Sep 11, 2026Extended Optimization
Model Insight
The estimated Student-t degrees of freedom v = 2.00 sit at the infinite-variance boundary (v → 2): the model is attributing extreme moves to heavy tails rather than to volatility, so the volatility scale is unreliable here. See the boundary-parameters flag.
𝑓
GAS-GARCH-T Model
Tap to view equation
Unreliable tails: v = 2.00 sits at the infinite-variance boundary
| Param | Value | t-stat |
|---|---|---|
| ωconst | 64.5351 | 1.81* |
| αARCH | 0.0422 | 34.96*** |
| βGARCH | 0.9975 | 776.29*** |
| νDF | 2.0040 |
0.998
Persistence281d
Half-life𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 64.5351 | 1.81* |
α ARCH Response to squared shocks | 0.0422 | 34.96*** |
β GARCH Volatility persistence | 0.9975 | 776.29*** |
ν DF Student-t tail thickness | 2.0040 |
Persistence:
0.998
Half-life:
281 days
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