Planetel Spa GAS-GARCH Student T Volatility Analysis
Volatility prediction for Friday, July 10th, 2026
1 Day
55.12%
increased by 7.85%
1 Week
53.84%
increased by 6.57%
1 Month
50.19%
increased by 2.92%
Analysis last updated: Friday, July 10, 2026 at 07:05 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 15, 2021 to Jun 26, 2026Model Insight
Volatility shocks decay with a half-life of 11 trading days, meaning a shock loses half its impact after approximately 11 days. Returns follow a Student-t distribution with v = 2.98 degrees of freedom, capturing fatter tails than a normal distribution.
𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 7.2442 | 2.66*** |
α ARCH Response to squared shocks | 0.1551 | 12.63*** |
β GARCH Volatility persistence | 0.9389 | 37.68*** |
ν DF Student-t tail thickness | 2.9785 | 10.77*** |
Persistence:
0.939
Half-life:
11 days
Other Planetel Spa Analyses
Other GAS-GARCH Student T Analyses on International Equities