V-Lab
Shenandoah Telecommunications Co GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, August 25th, 2026
1 Day
39.99%
decreased by 2.04%
1 Week
41.38%
decreased by 0.65%
1 Month
44.33%
increased by 2.30%
Analysis last updated: Monday, August 24, 2026 at 09:32 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 26, 1999 to Aug 21, 2026Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 41% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.8564 | 22.94*** |
α ARCH Response to squared shocks | 0.1430 | 17.82*** |
β GARCH Volatility persistence | 0.7819 | 117.04*** |
γ leverage Additional response to negative shocks | -0.0418 | -3.54*** |
Persistence:
0.904
Half-life:
7 days
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