Copper is an industrial metal. Demand increases during periods when economic output is rising. Gold is a store of value with limited industrial applications. These differing uses of the metals have allowed the CGR to act as an accurate barometer of global growth. The Copper:Gold ratio (CGR) is calculated by dividing the market price of copper by the market price of gold. • A declining copper:gold ratio shows a weakening economy, while a rising ratio shows a strengthening economy. • The secret to understanding this ratio is not its current value, however. What’s much more important is the directional trend of the ... (full story)