V-Lab
Obsidian Therapeutics Inc GJR-GARCH Volatility Analysis
Volatility prediction for Monday, September 14th, 2026
1 Day
117.43%
decreased by 1.71%
1 Week
117.54%
decreased by 1.60%
1 Month
117.79%
decreased by 1.35%
Analysis last updated: Friday, September 11, 2026 at 11:15 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 7, 2019 to Sep 11, 2026Boundary Parameters
Model Insight
Volatility shocks decay with a half-life of 7 trading days, meaning a shock loses half its impact after approximately 7 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 7-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 5.0000 | 1.79* |
| αARCH | 0.0304 | 0.91 |
| βGARCH | 0.8754 | 13.97*** |
| γleverage | 0.0077 | 0.18 |
0.910
Persistence7d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 1.79* |
α ARCH Response to squared shocks | 0.0304 | 0.91 |
β GARCH Volatility persistence | 0.8754 | 13.97*** |
γ leverage Additional response to negative shocks | 0.0077 | 0.18 |
Persistence:
0.910
Half-life:
7 days
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