Gold and the dollar move against each other, but the strength varies enormously. Measured on hourly data with a two-year baseline, and what an unusually strong reading actually means.
Over the two weeks to 28 September 2026, gold and the dollar index moved against each other with a correlation of −0.635 on hourly returns. The two-year average for the same pair is −0.361, so the current reading is roughly twice as strong as normal — only 7 % of all 14-day windows in two years have been more negative.
This is not a general market effect. When Apex measured the same period across thirteen asset pairs, the median percentile was 47 — an ordinary background. The gold–dollar pair stands out against that background rather than moving with it, which is what separates a real change from a regime shift that moves everything at once. Measured 27–28 September 2026.
Gold is priced in dollars. A stronger dollar mechanically makes gold more expensive in every other currency, which dampens demand; it also usually coincides with higher real yields, which is the deeper driver. The two channels point the same way, which is why this pair is more reliable than most currency relationships.
A correlation in the 7th percentile means the dollar is currently the dominant input to gold — more than usual. That makes gold a cleaner read on dollar conditions than it normally is, and it makes gold-specific stories (central bank buying, jewellery demand, mine supply) less likely to be the explanation for any given day's move.
All numbers on this page were measured and published in Apex’s own record at the time stated. They describe the past under stated conditions and promise nothing about the future. All relationships · Research · Learn