Gold prices today, Tuesday, August 18, 2026: Gold falters as U.S. Treasury yields rise

On Tuesday, August 18, 2026, gold prices experienced a slight decline as U.S. Treasury yields increased. The December futures for gold opened at $4,473.40 per troy ounce, nearly unchanged from Monday's closing price. Currently, gold is trading at $4,447.20 per troy ounce. Rising Treasury yields, particularly the 10-year benchmark at 4.72%, have put downward pressure on the gold price.

This comes amid ongoing tensions between Iran and the United States, with little progress in peace talks and unease over potential military actions in the Strait of Hormuz. The British military reported a vessel being struck by an unknown projectile in the region, adding to the instability. President Trump suggested on social media that the Strait of Hormuz could become a U.S. territory.

The 60-day memorandum of understanding between the U.S. and Iran has now expired, contributing to the uncertainty surrounding the conflict. The expiration of this agreement is prompting investors to seek the safety of U.S. Treasuries, which increases the cost of owning non-yielding gold. Despite the recent record highs, experts warn that gold is still a speculative investment subject to price and speculation risks.

Investors should maintain realistic expectations and allocate appropriately within a diversified portfolio.