V-Lab
US Dollar to British Pound GAS-GARCH Student T Volatility Analysis
Volatility prediction for Wednesday, September 9th, 2026
1 Day
23.51%
increased by 3.58%
1 Week
23.33%
increased by 3.40%
1 Month
23.30%
increased by 3.37%
Analysis last updated: Tuesday, September 8, 2026 at 07:11 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 2000 to Sep 4, 2026Model Insight
The estimated Student-t degrees of freedom v = 2.05 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 = 2.05 sits at the infinite-variance boundary
| Param | Value | t-stat |
|---|---|---|
| ωconst | 2.1527 | 13.44*** |
| αARCH | 0.1510 | 10.11*** |
| βGARCH | 0.0000 | 0.00 |
| νDF | 2.0508 | 60.41*** |
0.000
Persistence-
Half-life𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 2.1527 | 13.44*** |
α ARCH Response to squared shocks | 0.1510 | 10.11*** |
β GARCH Volatility persistence | 0.0000 | 0.00 |
ν DF Student-t tail thickness | 2.0508 | 60.41*** |
Persistence:
0.000
Half-life:
-
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