iShares Gold Trust (IAU) charges a 0.25% annual expense ratio by selling small amounts of physical gold held in authorized vaults, making it more cost-efficient than SPDR Gold Trust (GLD) at 0.40%, though SPDR Gold MiniShares (GLDM) undercuts both at 0.10%.

Gold’s next 12-month performance hinges on whether the Federal Reserve signals rate cuts to lower real yields, which would support gold as a non-yielding asset, while Treasury yields climbing toward the May 2025 peak of 4.58% would pressure prices.

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Gold crossed $5,000 per ounce for the first time in history in January, but has since pulled back below that threshold and now trades below $4,600 per ounce. For investors who want exposure without storing a single bar, iShares Gold Trust (NYSEARCA:IAU) offers one of the cleanest, most cost-efficient ways to track gold's price. With the metal now retreating, two factors will shape whether this ETF delivers over the next 12 months.

IAU has had a strong run, returning 50% over the past year as gold surged to record highs driven by inflation hedging and central bank demand. The recent pullback has been sharp. Shares dropped nearly 9% in a single week, but the longer uptrend remains intact, with the fund still up about 6% year-to-date. That divergence between the short-term retreat and the multi-year bull run is exactly the tension investors need to understand before considering gold ETFs.

The structure is straightforward. Each share represents fractional ownership of physical gold held in allocated vaults in New York, London, and other authorized locations, with no earnings, dividends, or derivatives involved. The only cost is the 0.25% annual expense ratio, which is covered by periodically selling small amounts of the trust's gold holdings. That fee is meaningfully lower than the 0.40% charged by SPDR Gold Shares (NYSEARCA:GLD), making IAU one of the more cost-efficient ways to hold gold among the major ETFs.

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Real interest rates are the single most important variable for gold. When yields rise faster than inflation, gold loses appeal because investors can earn a real return from bonds. When real rates fall or the Fed cuts, gold tends to benefit as the opportunity cost of holding a non-yielding asset shrinks.

The 10-year Treasury yield currently sits at 4.26%, up from a trough of 3.97% in late February. That recovery in yields has coincided directly with gold's pullback. If yields climb back toward 4.58% peak seen in May 2025, gold could face continued pressure. If the Fed signals rate cuts -- though it just left rates intact at its recent meeting -- and yields decline, gold has historically benefited from declining real yields in similar environments.

Investors can track this through FOMC statements and the Fed's dot plot, updated at each meeting, as well as the monthly CPI release from the Bureau of Labor Statistics. CPI currently stands at 327.5 and has been grinding higher, which keeps inflation hedging demand for gold alive even as nominal yields rise.

IAU's biggest structural risk is not gold itself but competition from lower-cost alternatives. The SPDR Gold MiniShares Trust (NYSEARCA:GLDM), charges just 0.10% annually, less than half of IAU's fee. As more investors become fee-conscious, AUM can migrate toward the cheaper option. IAU's $70.6 billion in net assets gives it deep liquidity and tight bid-ask spreads today, but sustained outflows could gradually erode that advantage.

One structural detail worth understanding: the amount of gold each share represents declines slightly over time as the fund sells small amounts of gold to cover its annual fee. This minor drag means IAU will always modestly underperform spot gold over long holding periods. Investors can monitor AUM trends and fund flow data through BlackRock's iShares website, which publishes daily holdings and asset figures.

Historically, gold has tended to rally when the Fed moves toward rate cuts and real yields decline. AUM flow data, available on BlackRock's iShares website, can indicate whether assets are shifting toward lower-cost competitors over time.

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