V-Lab
Praxis Precision Medicines Inc GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
95.63%
decreased by 0.10%
1 Week
96.11%
increased by 0.38%
1 Month
96.98%
increased by 1.25%
Analysis last updated: Friday, July 24, 2026 at 09:59 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 16, 2020 to Jul 24, 2026Boundary Parameters
Model Insight
Volatility shocks decay with a half-life of 5 trading days, meaning a shock loses half its impact after approximately 5 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 1.88* |
α ARCH Response to squared shocks | 0.0097 | 1.21 |
β GARCH Volatility persistence | 0.8601 | 11.80*** |
γ leverage Additional response to negative shocks | -0.0037 | -0.33 |
Persistence:
0.868
Half-life:
5 days
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