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V-Lab

COMEX Gold Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Monday, August 31st, 2026

1 Day

22.75%

increased by 1.59%

1 Week

22.64%

increased by 1.48%

1 Month

22.21%

increased by 1.05%

Analysis last updated: Sunday, August 30, 2026 at 04:20 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of COMEX Gold S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Aug 30, 2000 to Aug 28, 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 59 trading days.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.0876
7.51***
α

ARCH

Response to squared shocks

0.0429
4.05***
β

GARCH

Volatility persistence

0.9454
79.93***
γi Spline Coefficients
K=1
γ10.0003
0.72

Persistence:

0.988

Half-life:

59 days