5 minutes, 15 minutes, 30 minutes. Gold futures wave gauge is a tool used to calculate the fluctuation period of price trend in technical analysis. There is no fixed time span, which can be adjusted according to the needs of traders and the characteristics of trading varieties. Under normal circumstances, traders will set the time span of the wave scale according to the specific K-line chart cycle and market trend. Common settings are 5 minutes, 15 minutes, 30 minutes, etc.