V-Lab
Tectonic Therapeutic Inc GJR-GARCH Volatility Analysis
Volatility prediction for Monday, September 14th, 2026
1 Day
86.82%
decreased by 2.24%
1 Week
88.89%
decreased by 0.17%
1 Month
92.45%
increased by 3.39%
Analysis last updated: Friday, September 11, 2026 at 11:30 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 21, 2018 to Sep 11, 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
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Shock decay: Shocks decay with a 5-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 5.0000 | 1.94* |
| αARCH | 0.0826 | 1.04 |
| βGARCH | 0.7854 | 8.67*** |
| γleverage | -0.0148 | -0.16 |
0.861
Persistence5d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 1.94* |
α ARCH Response to squared shocks | 0.0826 | 1.04 |
β GARCH Volatility persistence | 0.7854 | 8.67*** |
γ leverage Additional response to negative shocks | -0.0148 | -0.16 |
Persistence:
0.861
Half-life:
5 days
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