How interest rates move currencies: a fundamental guide for traders
Why can one sentence from the Fed chair move the dollar 100 pips? Learn how interest rates drive currencies, why expectations matter and how to trade central bank decision days.
Contents
You may have seen the Fed chair say a single sentence and the dollar move 100 pips in minutes. The reason is that interest rates are the most powerful fundamental force in the currency market.
Why do interest rates matter so much?
Money always looks for higher returns. When a central bank raises rates, that country's deposits and bonds pay more, and investors worldwide must first buy its currency to own them. The result is usually a stronger currency. Rate cuts do the opposite.
The interest-rate differential
In forex you always trade one currency against another, so what matters is the gap between two countries' rates. If the Fed hikes while the ECB holds, EURUSD usually comes under pressure. If the Bank of Japan hikes, the yen strengthens and USDJPY falls.
Markets trade expectations
This is the key point beginners miss. When everyone expects a 25-basis-point hike, it is already priced in. If that is exactly what happens, the currency may even weaken. Big moves happen when the decision or the bank's tone differs from expectations.
- Hawkish tone: hints at more hikes; usually positive for the currency
- Dovish tone: hints at a pause or cuts; usually negative for the currency
That is why the press conference after a decision can matter more than the number itself.
Interest rates and gold
Gold pays no yield. When real rates (rates minus inflation) rise, holding gold is less attractive and its price usually comes under pressure. Expectations of rate cuts often support gold.
How to trade central bank decision days
- Get the meeting date and time from the economic calendar.
- Know what the market expects: a hike, a cut or a hold.
- Reduce size or stay out before the release; spreads and slippage widen.
- Pay attention to the statement and the press conference.
- Once the first spike settles, use technical levels (support, Fibonacci, supply and demand) to enter.
Follow the latest policy rates and each bank's tone in our central banks section.
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Trading financial markets involves risk. This article is educational and is not investment advice.
Forex and CFD trading carries a high level of risk due to leverage and you may lose more than your initial capital. Content on this site is educational and not investment advice.
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