V-Lab
Praxis Precision Medicines Inc MF2-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
79.26%
decreased by 8.84%
1 Week
107.09%
increased by 18.99%
1 Month
123.97%
increased by 35.87%
Analysis last updated: Friday, July 24, 2026 at 10:00 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 16, 2020 to Jul 24, 2026Model Insight
Volatility shocks decay with a half-life of 1 trading day, meaning a shock loses half its impact after approximately 1 day.
σ
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 36 | |
α ARCH Response to squared shocks | 0.5419 | 9.27*** |
β GARCH Volatility persistence | 0.0000 | 0.00 |
γ leverage Additional response to negative shocks | 0.1580 | 1.37 |
λ₁ tau intercept Baseline long-term coefficient | 5.3118 | 0.64 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0517 | 0.63 |
λ₃ tau persistence Long-term factor persistence | 0.8755 | 4.85*** |
Persistence:
0.621
Half-life:
1 days
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