The U.S. Federal Reserve is widely expected to leave interest rates unchanged at its latest policy meeting, but the real drama is unfolding beneath the surface. A combination of stubborn inflation, growing discussion of potential future rate hikes, and a surprise U.S.-Iran diplomatic breakthrough has created one of the most closely watched Federal Reserve meetings in recent years.

The meeting is particularly significant because it marks the first rate-setting decision under new Federal Reserve Chair Kevin Warsh. Investors, economists, and policymakers are looking for clues about how Warsh intends to lead the central bank during a period of elevated inflation and economic uncertainty.

Financial markets overwhelmingly expect the Fed to keep its benchmark interest rate within the current 3.5%–3.75% range. While inflation remains above the Fed's long-term 2% target, policymakers appear reluctant to make an immediate move until they gain greater clarity on how recent economic developments affect prices and growth.

Recent inflation readings have remained elevated, with headline inflation moving above 4%, its highest level in several years. Higher energy prices resulting from conflict involving Iran contributed significantly to these pressures, forcing policymakers to remain cautious.

However, the Fed now faces a changing landscape.

A major factor influencing this week's meeting is the recently announced interim agreement between the United States and Iran. The deal is expected to reopen the Strait of Hormuz and gradually restore Iranian oil exports to global markets. If implemented successfully, the agreement could reduce energy costs and ease one of the largest sources of inflationary pressure facing the U.S. economy.

Oil prices have already responded. Crude markets fell sharply after details of the agreement emerged, reflecting expectations that increased supply could help stabilize global energy markets.

For the Fed, this creates a challenge.

Only days ago, some economists believed rising oil prices could force policymakers to consider additional rate hikes. Now, a successful Iran agreement could weaken that argument by reducing inflation expectations.

Despite the Iran deal, several analysts believe the Fed may adopt a more hawkish tone.

Market participants are closely watching the Fed's updated "dot plot," which reveals policymakers' expectations for future interest rates. Some economists expect officials to shift away from earlier forecasts that anticipated rate cuts and instead signal that rates could remain elevated for longer. A few policymakers have even suggested that additional rate increases may be necessary if inflation remains persistent.

The key concern is that inflation pressures extend beyond energy.

Tariffs, strong consumer demand, fiscal stimulus measures, and continued labor-market resilience are all contributing to higher prices. Even if oil prices decline, policymakers remain worried that inflation could stay above target for an extended period.

The meeting is also viewed as a critical test for Warsh's leadership.

Many investors want to understand whether he will pursue a significantly different strategy from previous Fed leadership. Analysts suggest Warsh may move away from extensive forward guidance and adopt a more flexible communication style, making it harder for markets to predict future policy moves.

His press conference following the decision could have a major impact on stocks, bonds, commodities, and currencies.

If Warsh emphasizes inflation risks, markets may interpret his comments as supportive of future rate hikes. If he focuses on easing energy costs and moderating inflation pressures, investors may increase expectations for eventual rate cuts.

For now, investors appear to be in a holding pattern.

Stock futures have edged higher as optimism surrounding the Iran agreement improves market sentiment, while oil prices continue to retreat from recent highs. Gold prices have stabilized as traders weigh the competing forces of easing geopolitical risks and uncertainty surrounding future Fed policy.

The consensus expectation remains unchanged: the Fed is likely to keep rates steady.

But beneath that seemingly simple decision lies a far more complicated debate about inflation, energy markets, economic growth, and the future direction of U.S. monetary policy.

The outcome may not be determined by what the Fed does today.

It may depend on what Chair Kevin Warsh signals about tomorrow.