V-Lab
Trust Finance Indonesia Tbk PT GAS-GARCH Student T Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
294.62%
decreased by 44.88%
1 Week
304.71%
decreased by 34.79%
1 Month
341.13%
increased by 1.63%
Analysis last updated: Friday, September 11, 2026 at 09:52 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 22, 2003 to Sep 4, 2026Model Insight
The estimated Student-t degrees of freedom v = 2.01 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 = 2.01 sits at the infinite-variance boundary
| Param | Value | t-stat |
|---|---|---|
| ωconst | 3,171.3853 | 1.82* |
| αARCH | 0.1092 | 23.49*** |
| βGARCH | 0.9957 | 463.56*** |
| νDF | 2.0104 | 2,757.72*** |
0.996
Persistence162d
Half-life𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 3,171.3853 | 1.82* |
α ARCH Response to squared shocks | 0.1092 | 23.49*** |
β GARCH Volatility persistence | 0.9957 | 463.56*** |
ν DF Student-t tail thickness | 2.0104 | 2,757.72*** |
Persistence:
0.996
Half-life:
162 days
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