What Happens to PPI Final Demand When Copper Surges?
What happens when copper prices surge? Why "Dr. Copper" is the economy's best diagnostician, and what it means for equities, inflation, and global growth.
How PPI Final Demand Responds
Scenario Background
Copper is called "Dr. Copper" because its price has an uncanny ability to diagnose the health of the global economy. Unlike gold (driven by fear) or oil (driven by geopolitics and OPEC), copper demand is almost entirely industrial: construction, electronics, power infrastructure, and manufacturing. When copper prices surge, it signals that global industrial activity is accelerating and demand is outstripping supply.
Read full scenario analysis →Historical Context
Copper surged 200% from 2003 to 2006 during the China-driven commodity supercycle, correctly signaling the strongest global growth period in decades. It rallied 150% from the 2009 lows, confirming the post-crisis recovery before most economic indicators turned positive. Copper collapsed 25% in 2015 as China's economy slowed, providing an early warning of the global growth scare. In 2020-2021, copper rallied 130% from pandemic lows to $5/lb, anticipating the global reopening and infrastructure sp...
What to Watch For
- •Chinese manufacturing PMI rising above 51 alongside copper rally, confirms demand-driven surge
- •Copper inventories at LME and Shanghai exchanges declining, physical tightness supporting prices
- •Mining companies raising capex guidance, confirms structural supply deficit
- •Copper/gold ratio rising, the macro growth signal is strengthening
- •Breakeven inflation rising in tandem, inflation implications being priced in
Other Assets When Copper Surges
Other Scenarios Affecting PPI Final Demand
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