The Federal Reserve is set to implement its first interest rate increase since 2023, a move almost universally anticipated by markets.

Conventional financial theory dictates this is negative for gold, an asset yielding no income and directly competing with interest rates for investor capital.

That is the accepted wisdom. Historical data, however, tells a different story.

Examining ten distinct Federal Reserve tightening cycles dating back to 1972, bullion has posted an average gain of 6.1% in the year following the initial rate hike. Notably, gold finished that period in positive territory in seven out of those ten instances.

Looking at the median performance, the figure is even more robust, coming in at 8.1%.

These figures directly challenge one of the most commonly cited rules in the financial world.

Navigating the Initial Dip

The expected negative correlation does tend to materialize in the immediate aftermath of a tightening cycle's commencement.

Data shows gold typically falls by an average of 0.7% in the month following the first rate increase, with positive returns recorded in only four of the ten historical cases.

However, this period of weakness has rarely proved to be long-lasting.

Three months after the first hike, gold’s average return improves significantly to 5%, with the metal trading higher in seven of the ten cycles.

By the six-month mark, the average gain climbs further to 6.6%, with gold finishing that period higher 60% of the time.

The Wide Disparity Behind the Average

The headline average return of 6.1% obscures a wide range of outcomes, making the historical data appear far more stable than it actually was.

For instance, when the Fed began tightening in early 1972, gold surged by an impressive 35.8% over the subsequent year. Similarly, after the cycle that began in January 1977, bullion climbed an additional 27.2%.

Contrast this with the era of Paul Volcker, the Fed chairman who famously pushed rates above 19% to combat inflation.

Following the tightening cycle that started in July 1980, gold experienced a dramatic collapse, falling 37.6% over the next twelve months. This stands as the worst performance in the sample, nearly 74 percentage points lower than the gain seen in 1972.

Gold also declined by 11.3% following the cycle that began in March 1983. Yet, its performance in later episodes showed marked improvement.

Bullion enjoyed a 20.1% gain after the first hike in January 1987. It followed this with returns of 9.1% after the 1999 increase, 8% following the 2004 liftoff, and 8.3% after the Fed’s move in December 2015.

Even the aggressive tightening cycle initiated in March 2022, which saw rapid and substantial rate increases, left gold 2.4% higher one year later.

The Interplay of Inflation and Real Rates

A rate hike never occurs in a vacuum.

The Fed typically raises borrowing costs when inflation is running too hot, economic growth is exceptionally strong, or both are happening simultaneously. Persistent inflation can, in fact, provide support for gold even as the central bank tightens policy.

This brings us to a crucial nuance: the distinction between nominal and real interest rates.

Nominal rates are simply the yields quoted in the market. Real rates, however, subtract expected inflation to measure the actual inflation-adjusted return from holding bonds versus gold.

If the Fed raises rates at a pace faster than inflation expectations decline, real yields can rise, which in turn pressures bullion. This dynamic is key to explaining gold’s historic decline during the Volcker era, where real rates were pushed to extreme highs.

Conversely, if inflation remains stubbornly high, real yields may stay suppressed even while the Fed is hiking. In this environment, gold can continue to function as an effective hedge against eroding purchasing power.

Implications for the Upcoming Decision

The current inflation backdrop is the most critical factor to consider.

August data showed consumer prices rising 3.4% from a year earlier, while the federal funds target range is currently set at 3.50% to 3.75%.

A quarter-point increase at this meeting would raise the top of that range to 4%, which still leaves the policy rate relatively close to the inflation rate rather than significantly above it.

This is precisely the condition that the historical record associates with more favorable outcomes for gold. The metal struggled in 1980 and 1983 precisely because Volcker pushed nominal rates far above inflation and held them there for an extended period.

Nothing currently on the table for Wednesday's meeting resembles that extreme scenario.

A single hike followed by a pause is one potential path. A sequence of increases stretching through to December is quite another, with the latter having a far more significant impact on real yields and charting a different course for gold.