V-Lab
Dyaco International Inc GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, October 5th, 2026
1 Day
2,920.76%
decreased by 301.57%
1 Week
2,917.84%
decreased by 304.49%
1 Month
2,906.21%
decreased by 316.12%
Analysis last updated: Saturday, October 3, 2026 at 10:58 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 24, 2011 to Oct 2, 2026Boundary Parameters
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
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Unreliable tails: v = 2.00 sits at the infinite-variance boundary
| Param | Value | t-stat |
|---|---|---|
| ωconst | 4.4664 | 5.71*** |
| αARCH | 0.0789 | 46.38*** |
| βGARCH | 0.9990 | 5,285.71*** |
| νDF | 2.0000 |
0.999
Persistence693d
Half-life𝑓
GAS-GARCH-T Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 4.4664 | 5.71*** |
α ARCH Response to squared shocks | 0.0789 | 46.38*** |
β GARCH Volatility persistence | 0.9990 | 5,285.71*** |
ν DF Student-t tail thickness | 2.0000 |
Persistence:
0.999
Half-life:
693 days
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