Gold prices on Tuesday headed lower as one popular measure of the U.S. Dollar teetered near a two-year high, producing some headwinds for bullion.

Gold for June delivery GCM9, -0.49% declined $3.80, or 0.3%, to trade at $1,273.80 an ounce, pushing the commodity back to its lowest level for a most-active contract since Dec. 26, according to FactSet data.

The moves comes as the ICE U.S. Dollar Index DXY, +0.38% a key gauge of greenback against six major rivals, was up 0.1% at 97.345. A climb to 97.71, would mark the highest level for the dollar index since June of 2017, according to FactSet data. A stronger U.S. unit can make buying the buck-pegged commodity comparatively more expensive for investors using other currencies.

Meanwhile, the SPDR Gold Shares ETF GLD, -0.46% edged down 0.2% in premarket trade, while the miner-focused Vectors Gold Miners ETF GDX, -0.76% wasn’t actively trade before the bell.

“The precious metal remains near the lows of the year and will likely take a queue from this week’s big earnings results. The yellow metals gains are likely to be hampered by trade deal optimism between China and the US,” wrote Edward Moya, market analyst at Oanda, in a late-Monday report.

MarketWatch