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V-Lab

Dyc Co Ltd GJR-GARCH Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

60.01%

increased by 15.25%

1 Week

62.41%

increased by 17.65%

1 Month

70.87%

increased by 26.11%

Analysis last updated: Sunday, August 23, 2026 at 12:44 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Dyc Co Ltd GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 20, 2018 to Aug 21, 2026

Model Insight

With persistence 0.994, volatility shocks have a half-life of 118 trading days (~0.5 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Leverage: Negative returns increase volatility 84% more than positive returns

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.6691
6.17***
α

ARCH

Response to squared shocks

0.2433
7.61***
β

GARCH

Volatility persistence

0.6486
36.20***
γ

leverage

Additional response to negative shocks

0.2045
2.94***

Persistence:

0.994

Half-life:

118 days