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V-Lab

IMV Inc. GJR-GARCH Volatility Analysis

High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful

Volatility prediction for Monday, July 27th, 2026

1 Day

3,710.83%

decreased by 199.61%

1 Week

3,710.90%

decreased by 199.54%

1 Month

3,711.17%

decreased by 199.27%

Analysis last updated: Saturday, July 25, 2026 at 09:25 AM UTC

Date Range:

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to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of IMV Inc. GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 12, 2009 to Jul 24, 2026

Model Insight

With persistence 1.000, volatility shocks have a half-life of 693147 trading days (~2750.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.0022
6.76***
α

ARCH

Response to squared shocks

0.1083
4.38***
β

GARCH

Volatility persistence

0.9005
112.99***
γ

leverage

Additional response to negative shocks

-0.0175
-0.60

Persistence:

1.000

Half-life:

693147 days