V-Lab
Chinese Renminbi GAS-GARCH Student T Volatility Analysis
Volatility prediction for Wednesday, September 9th, 2026
1 Day
25.37%
decreased by 1.08%
1 Week
25.45%
decreased by 1.00%
1 Month
25.75%
decreased by 0.70%
Analysis last updated: Tuesday, September 8, 2026 at 07:03 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 29, 2005 to Sep 4, 2026Model 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 | 8.9012 | 3.50*** |
| αARCH | 0.0411 | 32.95*** |
| βGARCH | 0.9988 | 2,782.11*** |
| νDF | 2.0006 |
0.999
Persistence567d
Half-life𝑓
GAS-GARCH-T Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 8.9012 | 3.50*** |
α ARCH Response to squared shocks | 0.0411 | 32.95*** |
β GARCH Volatility persistence | 0.9988 | 2,782.11*** |
ν DF Student-t tail thickness | 2.0006 |
Persistence:
0.999
Half-life:
567 days
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