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V-Lab

Yw Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Tuesday, July 14th, 2026

1 Day

47.67%

decreased by 3.90%

1 Week

46.55%

decreased by 5.02%

1 Month

42.77%

decreased by 8.80%

Analysis last updated: Tuesday, July 14, 2026 at 07:43 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Yw Co Ltd S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 11, 2003 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 20 trading days.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.7006
7.51***
α

ARCH

Response to squared shocks

0.1200
6.61***
β

GARCH

Volatility persistence

0.8451
36.07***
γi Spline Coefficients
K=2
γ1-0.0042
-1.24
γ20.0100
2.29**

Persistence:

0.965

Half-life:

20 days