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V-Lab

Sichuan Haite High-tech Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Wednesday, August 26th, 2026

1 Day

43.96%

decreased by 0.38%

1 Week

43.90%

decreased by 0.44%

1 Month

43.68%

decreased by 0.66%

Analysis last updated: Wednesday, August 26, 2026 at 07:48 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Sichuan Haite High-tech Co Ltd S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jul 21, 2004 to Aug 21, 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 26 trading days.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.2628
9.29***
α

ARCH

Response to squared shocks

0.0616
7.05***
β

GARCH

Volatility persistence

0.9119
71.64***
γi Spline Coefficients
K=1
γ10.0013
2.60***

Persistence:

0.973

Half-life:

26 days