V-Lab
First Trust India Nifty 50 Equ GAS-GARCH Student T Volatility Analysis
Volatility prediction for Wednesday, September 30th, 2026
1 Day
538.22%
decreased by 34.74%
1 Week
537.67%
decreased by 35.29%
1 Month
535.48%
decreased by 37.48%
Analysis last updated: Tuesday, September 29, 2026 at 09:26 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 28, 2012 to Sep 25, 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 | 0.0000 | |
| αARCH | 0.1044 | 77.95*** |
| βGARCH | 0.9990 | 1,196.38*** |
| νDF | 2.0006 |
0.999
Persistence677d
Half-life𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0000 | |
α ARCH Response to squared shocks | 0.1044 | 77.95*** |
β GARCH Volatility persistence | 0.9990 | 1,196.38*** |
ν DF Student-t tail thickness | 2.0006 |
Persistence:
0.999
Half-life:
677 days
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