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V-Lab

VanEck Semiconductor ETF Fund Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Tuesday, August 25th, 2026

1 Day

38.55%

increased by 0.05%

1 Week

38.57%

increased by 0.07%

1 Month

38.63%

increased by 0.13%

Analysis last updated: Monday, August 24, 2026 at 09:23 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of VanEck Semiconductor ETF Fund S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jun 5, 2000 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 32 trading days.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

2.0360
8.14***
α

ARCH

Response to squared shocks

0.0704
8.50***
β

GARCH

Volatility persistence

0.9082
89.32***
γi Spline Coefficients
K=3
γ10.0138
2.50**
γ2-0.0016
-0.19
γ3-0.0198
-4.10***

Persistence:

0.979

Half-life:

32 days