The US Dollar and Gold: Why They Often Move in Opposite Directions

The US Dollar and Gold: Why They Often Move in Opposite Directions
Photo: Dash Cryptocurrency / Unsplash

Every gold price you see in Dubai, Riyadh or Doha starts from one number: the price of an ounce in US dollars. Knowing how gold and the dollar interact helps you read daily price moves, and explains why the change you see in dirhams can differ from what a relative sees in Europe or India.

This guide covers why gold is priced in dollars, the inverse relationship analysts talk about and when it breaks down, and what the Gulf's dollar pegs mean for you, with live figures and a worked example.

Why gold is priced in dollars

The habit has deep roots. Under the Bretton Woods system agreed in 1944, major currencies were tied to the dollar, and the dollar to gold at 35 dollars an ounce. In August 1971 the United States stopped converting foreign governments' dollars into gold. As the system unravelled, the price was left to the market, yet the dollar stayed the unit of account.

Today the dollar is the world's leading reserve and trading currency, and most major commodities, oil included, are priced in it. The London gold benchmark is set twice a day in dollars, and New York gold futures trade in dollars too. Some markets, such as the Shanghai Gold Exchange, quote in local currency, but the global reference remains dollars per troy ounce.

From dollars per ounce to dirhams per gram

The conversion is simple: divide the ounce price by 31.1035 to get the dollar price per gram, then multiply by the exchange rate. Here are the live figures:

  • Gold on the global market: 4,072.10 US dollars per troy ounce.
  • One US dollar: 3.6725 dirhams, a figure that barely moves because of the peg.
  • The result: a gram of 24K at the global spot price is currently 480.81 dirhams, before the local premium, making charges and VAT.

Our guide to how the gold rate in the UAE is calculated sets out the full karat-by-karat method.

The inverse relationship: why a strong dollar often means weaker gold

Analysts usually measure the dollar's strength with the US Dollar Index (DXY), which compares it with six major currencies: the euro, Japanese yen, British pound, Canadian dollar, Swedish krona and Swiss franc, with the euro making up more than half. Over long stretches the index has often moved against gold, for three main reasons:

  • Price for everyone else. When the dollar rises, gold becomes more expensive for buyers paying in euros, rupees or yuan. Their demand weakens, which weighs on the dollar price.
  • An alternative to the dollar. Many investors and central banks treat gold as an alternative to dollar assets, so it tends to gain when confidence in the US currency slips.
  • US interest rates. Higher US rates support the dollar and raise the cost of holding a non-yielding asset, so both push against gold, as our guide to interest rates and gold explains.

A recent example came in 2022, when the dollar index climbed to its highest level in about two decades and gold fell by roughly a fifth between its March peak and the autumn.

When the dollar and gold rise together

The inverse relationship is a tendency, not a rule. In severe crises investors may rush into both the dollar and gold as safe havens, as in the first half of 2010, when the euro-zone debt crisis drove money out of the euro and into both at once.

In 2024 gold and the dollar index both finished the year higher, as central bank buying and geopolitical worries outweighed the usual drag from a firm dollar. The two can also rise together when trouble outside the US weakens other currencies. The dollar alone cannot explain gold's move on any given day.

Why dirham and riyal buyers feel dollar moves differently

This is where the Gulf is unusual. The UAE dirham, the Saudi and Qatari riyals, the Bahraini dinar and the Omani rial are all pegged to the dollar, so gold in your currency moves by the same percentage as gold in dollars. A buyer paying in euros or rupees feels two moves at once: the dollar gold price and their currency's exchange rate.

For example, suppose gold falls from 4,000 to 3,800 dollars an ounce, a drop of 5%, while the dollar rises 5% against the euro, from 0.90 to 0.945 euros. These are round, illustrative numbers:

CurrencyOunce price beforeOunce price afterApprox. change
US dollar4,0003,800−5%
UAE dirham (3.6725)14,69013,956−5%
Saudi riyal (3.75)15,00014,250−5%
Euro (0.90 to 0.945)3,6003,591−0.25%

A buyer in Dubai or Riyadh feels the full fall, while a buyer in Europe barely notices it because their weaker currency cancels it out; the reverse happens when the dollar weakens. The same effect explains why gold has risen faster in Indian rupees than in dollars over the long run, as the rupee has weakened against the dollar.

What this means for residents and expats

  • If you earn and spend in dirhams or riyals, the dollar price of gold is what really matters to you, because your exchange rate is fixed.
  • If you are an expat who may take gold home or sell it there one day, its value to you also depends on your home currency against the dirham, which you can follow on our currency rates and converter page.
  • When comparing Gulf prices with prices at home, convert both into one currency first, and remember that taxes, import duties and making charges differ from country to country.
  • Headlines about gold hitting records "in euros" or "in rupees" may not apply to you. The dollar move is the one that reaches your dirham price.

This is general information, not financial advice or a recommendation to buy or sell.

Frequently asked questions

Why doesn't the dirham's exchange rate against the dollar change?

The Central Bank of the UAE has held the dirham at 3.6725 per dollar for decades, within a very narrow range. Tiny differences in the last decimal places between data sources make no practical difference to the gold price.

Does a rising dollar index mean gold will fall?

Not necessarily. Gold tends to weaken when the dollar strengthens, but that is a tendency rather than a rule. The two can rise together during crises or when central bank demand is strong, as they did in 2024.

Is the gold price in Kuwait affected by the dollar in the same way?

Largely, but not exactly. The Kuwaiti dinar is linked to an undisclosed basket of currencies rather than the dollar alone, so the daily change in the dinar gram price can differ slightly from the change in the dollar ounce price.

The dollar is the language gold is priced in, and the Gulf pegs make the dollar ounce price the number that matters most to you. Watch it and the dollar index, but do not let either decide for you.

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