V-Lab
Dogecoin to US Dollar GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, September 28th, 2026
1 Day
67.94%
decreased by 6.14%
1 Week
68.49%
decreased by 5.59%
1 Month
70.27%
decreased by 3.81%
Analysis last updated: Monday, September 28, 2026 at 06:03 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 23, 2022 to Sep 26, 2026Model Insight
Volatility shocks decay with a half-life of 24 trading days, meaning a shock loses half its impact after approximately 24 days. Returns follow a Student-t distribution with v = 3.69 degrees of freedom, capturing fatter tails than a normal distribution.
𝑓
GAS-GARCH-T Model
Tap to view equation
Shock decay: Shocks decay with a 24-day half-lifev = 3.69 · fat tails
| Param | Value | t-stat |
|---|---|---|
| ωconst | 23.7210 | 0.91 |
| αARCH | 0.0892 | 5.42*** |
| βGARCH | 0.9720 | 27.46*** |
| νDF | 3.6932 | 2.14** |
0.972
Persistence24d
Half-life𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 23.7210 | 0.91 |
α ARCH Response to squared shocks | 0.0892 | 5.42*** |
β GARCH Volatility persistence | 0.9720 | 27.46*** |
ν DF Student-t tail thickness | 3.6932 | 2.14** |
Persistence:
0.972
Half-life:
24 days
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