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V-Lab

Hangzhou Radical Energy Saving Technology Co Ltd APARCH Volatility Analysis

Volatility prediction for Tuesday, July 14th, 2026

1 Day

73.47%

increased by 4.72%

1 Week

73.37%

increased by 4.62%

1 Month

73.05%

increased by 4.30%

Analysis last updated: Tuesday, July 14, 2026 at 06:17 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

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graph of Hangzhou Radical Energy Saving Technology Co Ltd APARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

May 16, 2017 to Jul 10, 2026

Model Insight

Volatility shocks decay with a half-life of 26 trading days, meaning a shock loses half its impact after approximately 26 days. The volatility power δ = 0.91 sits below 2, so large shocks influence volatility less than quadratically, a more outlier-robust response than standard GARCH.

σ

APARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1035
7.20***
α

ARCH

Response to squared shocks

0.1281
17.27***
β

GARCH

Volatility persistence

0.8720
100.42***
γ

leverage

Additional response to negative shocks

-0.0655
-1.65*
δ

power

Transformation power

0.9106
12.07***

Persistence:

0.974

Half-life:

26 days