Will the Federal Reserve Increase Interest Rates in September?

David Huber
Published: Wed Sep 09 2026
Reviewed By Paul Skidmore
US Federal reserve rate

On Wednesday afternoon, September 16th, the Federal Open Market Committee (FOMC) will publicly announce its decision on whether to increase interest rates or leave them unchanged. For Fed Chairman Kevin Warsh, next week could mark the first interest rate shift during the Harvard Law School graduate’s watch, which began in May of this year.

Prediction markets are split over the possibility of an interest rate hike of 25 basis points (bps) or more. With one week remaining until the decision is released to the public, here are the main arguments for both potential outcomes.

The case for an interest rate hike

Inflation remains well above the Fed’s target of 2%. Consumer prices have continued their upward momentum throughout the 2026 calendar year, fueled by energy supply-chain concerns linked to the ongoing military conflict with Iran.

The August jobs report released by the Bureau of Labor Statistics showed an unexpectedly promising trend, with employers adding 162,000 jobs last month, approximately doubling what many economists projected.

By increasing interest rates next Wednesday, the Fed will send a clear message that it is serious about combating inflation and aware of the impact rising energy costs could have on the economy in the coming months.

The “yes” contracts on an interest rate hike of 0.25% or greater are currently available on Kalshi for 55¢ each. The recent market movement in favor of a rate increase tracks with forecasts published by UBS Global Wealth Management, Macquarie, and Citigroup.

Favorite Picks: Fed to hike interest rates on September 16th – Yes, Interest rate increase – 25 bps

The case for maintaining interest rates at current levels

There are sound reasons why the “no” contracts on an interest rate hike are priced at 46¢, making a potential Fed decision to leave interest rates unchanged a very slight underdog to its binary opposite.

The “Trump” influence simply can’t be ignored. POTUS has repeatedly voiced his view that US interest rates should be the lowest in the world, a stance that is echoed by Vice President J.D. Vance and Treasury Secretary Scott Bessent. Technically, the Federal Reserve is independent and immune from political pressure exerted by the executive branch of government. But Federal Reserve Chairman Kevin Warsh decided to leave interest rates unchanged in July, when forecasters were likewise predicting a rate hike.

Separately, the August jobs report may not reflect the economic “big picture” for 2026, which has seen only moderate growth through the first eight months. By maintaining interest rates (as opposed to increasing them), firms could theoretically hire more workers because of the relatively low cost of borrowing money.

Fed decision: Kalshi market settlement terms

This specific market represents one of the most popular “yes/no” trades for non-sports outcomes. With more than $42.4 million already traded, forecasters on each side of the debate are firmly entrenched.

The outcome of this market is determined solely by official news released by the Federal Reserve. The formal announcement on interest rates is expected to occur at 2:00 p.m. Eastern Time on Wednesday, September 16th.

Individuals who are 18+ and located in the United States can sign up for a new Kalshi account and start trading on the Fed’s pending decision in less than five minutes.

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