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Gold suffered one of its sharpest sessions in recent weeks on September 28: spot prices fell as much as 4%, touching about $4,110 an ounce before ending the Reuters session near $4,137. U.S. futures finished 3.5% lower near $4,168.

The important question is not only why gold fell. It is why it fell so sharply while geopolitical risk remained elevated.

The chain that hit XAU/USD

StepMarket effectWhy it weighs on Gold
Oil riseshigher inflation riskmakes monetary easing harder
More restrictive Fedexpectations of higher ratesraises gold's opportunity cost
Treasury yields riseU.S. yields become more attractivepressures an asset that pays no interest
Stronger dollarUSD becomes more expensivetends to make Gold costlier outside the U.S.
Positioningspeculative positions are reducedcan amplify a move when price breaks lower

Reuters linked the sell-off to the oil surge and the resulting increase in expectations for further Federal Reserve rate hikes. Markets were pricing about a 94% probability of a December hike.

The paradox: high geopolitical tension, Gold down

A geopolitical crisis can normally support gold through safe-haven demand. On September 28, however, markets gave more weight to the inflation-rates channel.

Oil rose about 3% after U.S.-Iran tensions worsened. Higher energy prices can feed inflation and make the Fed less willing to cut rates — or more willing to raise them.

Fed Governor Lisa Cook said the same day that total inflation over the twelve months through August was estimated at 3.8%, core inflation at 3.4%, and that the labor market, with unemployment at 4.1%, appeared able to withstand higher rates. She also explicitly cited inflation pressure from oil and supply-chain disruptions.

For Gold, that changes the balance: geopolitical risk can rise, but if expected yields and the cost of money rise at the same time, safe-haven demand may not be enough.

Treasury yields and the dollar added pressure

Reuters reported Treasury yields near roughly two-decade highs and the dollar close to two-month highs. That is a difficult combination for gold.

Gold pays no coupon. When government securities viewed as low risk offer higher yields, holding gold carries a larger opportunity cost. If the dollar strengthens at the same time, the pressure can increase further.

This does not mean rising yields always push Gold lower. It means that on September 28 the market treated monetary repricing as the dominant driver.

The COT had already shown some cooling

Two days earlier we analyzed the latest Gold COT: large speculators had reduced their net long while open interest increased.

That report did not predict the September 28 plunge. But it showed positioning was not becoming more aggressively long. When yields and the dollar then accelerated, some positions may have been reduced more quickly, amplifying the move.

What the -4% move actually means

A 4% one-day decline does not by itself prove that gold's long-term trend has ended. Likewise, geopolitics alone is not enough to automatically support XAU/USD.

To judge whether the move is a violent liquidation or a regime change, the most useful drivers to monitor are:

  • the expected Fed rate path;
  • U.S. Treasury yields;
  • the dollar;
  • oil and inflation expectations;
  • ETF flows and futures positioning;
  • whether physical and central-bank demand can absorb selling.

The key point from September 28 is therefore simple: Gold did not collapse because geopolitical risk disappeared. It collapsed because the market translated that risk into more inflation, higher rates and a higher-yielding alternative to holding gold.

Educational and informational content based on verifiable public sources. This is not financial advice.

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