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V-Lab

Jiangsu Ankura Intelligent Power Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Tuesday, July 21st, 2026

1 Day

70.05%

decreased by 0.51%

1 Week

70.73%

increased by 0.17%

1 Month

71.86%

increased by 1.30%

Analysis last updated: Tuesday, July 21, 2026 at 06:26 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Jiangsu Ankura Intelligent Power Co Ltd S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Feb 28, 2017 to Jul 17, 2026

Model Insight

This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 4 trading days.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.8960
3.43***
α

ARCH

Response to squared shocks

0.1196
4.06***
β

GARCH

Volatility persistence

0.7300
12.07***
γi Spline Coefficients
K=5
γ1-0.1679
-0.51
γ20.3982
0.96
γ3-0.6173
-3.31***
γ40.8607
4.84***
γ5-0.7089
-5.17***

Persistence:

0.850

Half-life:

4 days