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V-Lab

Dongbang Agro Co APARCH Volatility Analysis

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

Volatility prediction for Tuesday, July 14th, 2026

1 Day

9.50%

increased by 0.15%

1 Week

10.15%

increased by 0.80%

1 Month

12.44%

increased by 3.09%

Analysis last updated: Tuesday, July 14, 2026 at 07:40 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Dongbang Agro Co APARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 3, 1990 to Jul 10, 2026

Model Insight

Estimated persistence of 1.000 is at or above 1 (non-stationary): volatility shocks do not decay and the long-run variance is undefined, so long-horizon forecasts should be treated with caution.

Inverse leverage: Positive returns increase volatility 64% more than negative returns

σ

APARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0255
20.62***
α

ARCH

Response to squared shocks

0.1103
34.93***
β

GARCH

Volatility persistence

0.8897
381.84***
γ

leverage

Additional response to negative shocks

-0.1259
-8.66***
δ

power

Transformation power

1.9589
44.27***

Persistence:

1.000

Half-life:

-