What Is the Federal Reserve?

The Hand On the Rate Lever

The Fed’s most watched tool is the interest rate it sets for banks, which influences the cost of borrowing across the economy. Lower rates make money cheaper and tend to lift asset prices; higher rates make money dearer and tend to weigh on them. The Fed also expands or shrinks the money supply through policies like quantitative easing. Markets hang on not just what the Fed does but what it signals: a single word change in its statement can move trillions of dollars in assets.

What the Fed Actually Does

Congress gives the Fed a "dual mandate": keep prices stable, in practice aiming for inflation around 2%, and foster maximum sustainable employment. These two goals can pull in opposite directions, which is the central tension of its job. Its rate-setting body, the Federal Open Market Committee, meets roughly eight times a year to decide the target for the federal funds rate. Beyond rates, the Fed regulates and supervises banks, runs the plumbing of the payment system, and acts as the "lender of last resort", stepping in to provide emergency liquidity when the financial system seizes up. It is, in short, both the economy’s thermostat and its emergency room.

How a Rate Decision Ripples Out

The federal funds rate is just the rate banks charge each other overnight, but it sets the baseline for nearly all other borrowing. When the Fed raises it, mortgages, credit cards, car loans and business loans all get more expensive, cooling spending and investment, and bond yields rise. There is a second, subtler effect that matters enormously to markets: higher rates raise the "discount rate" used to value future cash flows, which lowers what investors will pay for stocks today, hitting high-growth, long-duration companies hardest. So a Fed decision flows outward in widening circles, from overnight bank lending to the price of nearly every asset on earth.

Words Move Markets Too

One of the most important things to grasp is that the Fed moves markets with words, not just actions. Because investors price in the future, what the Fed signals about coming decisions, its "forward guidance", can matter as much as the decision itself. Traders pore over the wording of its statement, the "dot plot" of officials’ rate projections, and every sentence of the chair’s press conference, hunting for hints of the path ahead. A rate cut that was fully expected may barely move prices, while a surprise shift in tone can trigger a violent reaction. This is why "don’t fight the Fed" is a market maxim, and why Fed-watching is practically its own industry.

Dovish Versus Hawkish

Fed-watchers describe its stance on a spectrum from "dovish" to "hawkish", and the labels are a quick guide to the likely market mood.

A dovish Fed prioritises growth and employment with easy money, which tends to lift risk appetite; a hawkish Fed prioritises crushing inflation with tight money, which tends to dampen it. Most decisions sit somewhere between the two poles.

The Fed and Sentiment

Because the Fed sets the price of money, its decisions are a master switch for risk appetite. Dovish signals, hints of cheaper money, tend to feed greed; hawkish surprises tend to spark fear. Watching a Fear and Greed Index around Fed days shows how fast the mood can flip, often within minutes of the statement’s release and again during the press conference. CFGI’s 15-minute refresh is built precisely to capture these rapid swings, turning the market’s real-time reaction to Fed policy into a number you can read as the drama unfolds.