V-Lab
Global X Artfcl ITL & TCH IN Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
25.53%
decreased by 1.23%
1 Week
26.43%
decreased by 0.33%
1 Month
28.75%
increased by 1.99%
Analysis last updated: Saturday, August 22, 2026 at 01:33 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 15, 2024 to Aug 21, 2026Model 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 11 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.8127 | 3.95*** |
α ARCH Response to squared shocks | 0.1403 | 3.30*** |
β GARCH Volatility persistence | 0.7997 | 19.17*** |
Spline Coefficients
K=1
| γ1 | -0.1462 | -0.98 |
Persistence:
0.940
Half-life:
11 days
Other Global X Artfcl ITL & TCH IN Analyses
Other Zero Slope Spline-GARCH Analyses on ETFs