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China Yangtze Power Co Ltd MEM Volatility Analysis

Volatility prediction for Friday, October 16th, 2026

1 Day

14.05%

decreased by 0.47%

1 Week

14.57%

increased by 0.05%

1 Month

16.27%

increased by 1.75%

Analysis last updated: Friday, October 16, 2026 at 06:26 PM UTC

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Date Range:

from

10/15/2024

to

10/15/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of China Yangtze Power Co Ltd MEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 18, 2003 to Oct 9, 2026

Model Insight

Volatility shocks decay with a half-life of 36 trading days, meaning a shock loses half its impact after approximately 36 days.

μ

MEM Model

Tap to view equation

Shock decay: Shocks decay with a 36-day half-life
ParamValuet-stat
ωconst0.0450
2.14**
αARCH0.2032
10.35***
βGARCH0.7777
54.05***

0.981

Persistence

36d

Half-life
μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0450
2.14**
α

ARCH

Response to squared shocks

0.2032
10.35***
β

GARCH

Volatility persistence

0.7777
54.05***

Persistence:

0.981

Half-life:

36 days