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Costar Group Co Ltd GJR-GARCH Volatility Analysis

Volatility prediction for Monday, October 12th, 2026

1 Day

37.05%

decreased by 0.70%

1 Week

37.96%

increased by 0.21%

1 Month

40.90%

increased by 3.15%

Analysis last updated: Saturday, October 10, 2026 at 07:37 PM UTC

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Date Range:

from

10/09/2024

to

10/09/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Costar Group Co Ltd GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 3, 2007 to Oct 9, 2026

Model Insight

Volatility shocks decay with a half-life of 29 trading days, meaning a shock loses half its impact after approximately 29 days.

σ

GJR-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 29-day half-life
ParamValuet-stat
ωconst0.2652
3.73***
αARCH0.0749
3.93***
βGARCH0.9120
70.06***
γleverage-0.0206
-0.71

0.977

Persistence

29d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.2652
3.73***
α

ARCH

Response to squared shocks

0.0749
3.93***
β

GARCH

Volatility persistence

0.9120
70.06***
γ

leverage

Additional response to negative shocks

-0.0206
-0.71

Persistence:

0.977

Half-life:

29 days