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Tianjin Pengling Rubber Hose Co Ltd APARCH Volatility Analysis

Volatility prediction for Tuesday, September 8th, 2026

1 Day

30.68%

decreased by 1.10%

1 Week

33.38%

increased by 1.60%

1 Month

40.46%

increased by 8.68%

Analysis last updated: Tuesday, September 8, 2026 at 07:52 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Tianjin Pengling Rubber Hose Co Ltd APARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 27, 2014 to Sep 4, 2026

Model Insight

Volatility shocks decay with a half-life of 12 trading days, meaning a shock loses half its impact after approximately 12 days. The volatility power δ = 1.60 sits below 2, so large shocks influence volatility less than quadratically, a more outlier-robust response than standard GARCH.

σ

APARCH Model

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Shock decay: Shocks decay with a 12-day half-lifeδ = 1.60 · sub-quadratic power
ParamValuet-stat
ωconst0.3735
2.15**
αARCH0.1541
5.71***
βGARCH0.8093
25.64***
γleverage-0.1008
-1.02
δpower1.6031
4.81***

0.946

Persistence

12d

Half-life
σ

APARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.3735
2.15**
α

ARCH

Response to squared shocks

0.1541
5.71***
β

GARCH

Volatility persistence

0.8093
25.64***
γ

leverage

Additional response to negative shocks

-0.1008
-1.02
δ

power

Transformation power

1.6031
4.81***

Persistence:

0.946

Half-life:

12 days