V-Lab
Primerica Inc GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
24.94%
decreased by 1.42%
1 Week
25.42%
decreased by 0.94%
1 Month
26.54%
increased by 0.18%
Analysis last updated: Friday, August 21, 2026 at 11:03 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 2, 2010 to Aug 21, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 196% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.2577 | 18.81*** |
α ARCH Response to squared shocks | 0.0611 | 8.80*** |
β GARCH Volatility persistence | 0.7959 | 99.92*** |
γ leverage Additional response to negative shocks | 0.1195 | 8.40*** |
Persistence:
0.917
Half-life:
8 days
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