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V-Lab

Hongxing Coldchain Hunan Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Tuesday, July 14th, 2026

1 Day

46.56%

increased by 15.60%

1 Week

44.98%

increased by 14.02%

1 Month

43.57%

increased by 12.61%

Analysis last updated: Tuesday, July 14, 2026 at 06:35 PM UTC

Date Range:

from

to

6M ·

All

graph of Hongxing Coldchain Hunan Co Ltd S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 13, 2026 to Jul 10, 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 2 trading days.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.5781
3.44***
α

ARCH

Response to squared shocks

0.4663
2.30**
β

GARCH

Volatility persistence

0.2253
1.54
γi Spline Coefficients
K=1
γ15.3375
2.29**

Persistence:

0.692

Half-life:

2 days