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V-Lab

Onex Corp (Japan) 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 Wednesday, August 5th, 2026

1 Day

56.61%

decreased by 4.60%

1 Week

58.21%

decreased by 3.00%

1 Month

64.21%

increased by 3.00%

Analysis last updated: Wednesday, August 5, 2026 at 07:37 PM UTC

Date Range:

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to

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2Y ·

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graph of Onex Corp (Japan) GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Feb 26, 1997 to Jul 31, 2026

Model Insight

With persistence 1.000, volatility shocks have a half-life of 1386294 trading days (~5501.2 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Leverage: Negative returns increase volatility 35% more than positive returns

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.3645
14.14***
α

ARCH

Response to squared shocks

0.1439
21.89***
β

GARCH

Volatility persistence

0.8309
134.31***
γ

leverage

Additional response to negative shocks

0.0505
3.73***

Persistence:

1.000

Half-life:

1386294 days