US Dollar and Gold: The Correlation Every Investor Must Understand

The inverse relationship between the US dollar and gold is one of the most cited in commodities markets — and one of the most nuanced. In normal market conditions, a stronger dollar makes gold more expensive for non-USD buyers, reducing demand and putting pressure on the price. Yet in January 2026, gold hit its all-time high of 5,595 USD while the dollar also weakened significantly — confirming the structural bull case: when both move in the same direction (gold up, dollar down), the move is typically amplified.

The DXY Index: Measuring Dollar Strength

The DXY (Dollar Index) measures USD strength against a basket of six major currencies (EUR 57.6%, JPY 13.6%, GBP 11.9%, CAD 9.1%, SEK 4.2%, CHF 3.6%). Currently the DXY trades at approximately 98.8 — its weakest level in several years, reflecting the Fed's cutting cycle. A falling DXY is structurally supportive for gold.

The Swiss Franc Amplification Effect

For Swiss investors, gold benefits from a double tailwind in USD-down environments: gold rises in USD terms AND USD/CHF falls, meaning gold costs less in CHF. This creates an asymmetric return profile favouring CHF-based gold investors.

When the Correlation Breaks Down

In acute financial crises (2008, March 2020), both gold and the dollar rise simultaneously as investors seek any safe haven. This "correlation breakdown" is important to understand: gold's value in a crisis is independent of the dollar.