Landi Renzo SPA GAS-GARCH Student T Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
54.85%
increased by 13.01%
1 Week
55.06%
increased by 13.22%
1 Month
55.56%
increased by 13.72%
Analysis last updated: Tuesday, July 14, 2026 at 06:33 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 26, 2007 to Jul 10, 2026Model Insight
Volatility shocks decay with a half-life of 8 trading days, meaning a shock loses half its impact after approximately 8 days. Returns follow a Student-t distribution with v = 2.82 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 | 12.5288 | 5.11*** |
α ARCH Response to squared shocks | 0.1568 | 19.94*** |
β GARCH Volatility persistence | 0.9162 | 56.47*** |
ν DF Student-t tail thickness | 2.8158 | 18.42*** |
Persistence:
0.916
Half-life:
8 days
Other Landi Renzo SPA Analyses
Other GAS-GARCH Student T Analyses on International Equities