What moves the US dollar comes down to a few forces: expectations for Federal Reserve interest rates, the US data that shapes those expectations, Treasury yields and global risk sentiment. Because the dollar sits on one side of most forex trades, knowing these drivers helps you read EURUSD, GBPUSD and USDJPY with more context and fewer surprises.
Quick answer: what moves the US dollar?
Mainly the expected path of US interest rates. Fed decisions, inflation (CPI) and jobs data (payrolls) shift those expectations, which move Treasury yields and the dollar with them. In a global scare, safe-haven buying can lift the dollar too. What matters is the surprise against what markets already expected.
Why the dollar matters to every forex trader
The US dollar is the world’s main reserve currency and the most traded one, so it appears in most of the pairs UK traders watch. Even if you mainly trade sterling, a GBPUSD chart is as much about the dollar as about the pound.
That is why USD fundamentals are worth learning before you trade the majors. You do not need to forecast the economy, but you should know which scheduled events can move your pair sharply. If the pairs themselves are new to you, start with how to trade forex in simple steps.
The Federal Reserve and FOMC meetings
The single biggest driver is the Federal Reserve. Its Federal Open Market Committee (FOMC) sets the federal funds rate, the benchmark for US borrowing costs. Higher expected rates tend to attract money into dollar assets, supporting the currency; lower expected rates tend to weigh on it.
The FOMC holds eight regularly scheduled meetings a year, and minutes follow three weeks after each decision, according to the Fed’s own FOMC meeting calendar. Four of those meetings also include a Summary of Economic Projections, often called the “dot plot”, which shows where policymakers expect rates to go.
Why the statement matters as much as the decision
Rate decisions are often well flagged, so the move usually comes from the wording, the projections and the press conference. A cut that markets fully expected can leave the dollar stronger if the Fed signals fewer cuts ahead than traders hoped.
US data: inflation and jobs
The Fed’s mandate covers stable prices and maximum employment, so the two data sets markets watch most closely are inflation and the labour market.
- CPI (consumer price index): monthly inflation data. Hotter than expected usually means higher rate expectations and a firmer dollar.
- Non-farm payrolls: the monthly jobs report, usually on the first Friday. Strong hiring tends to support the dollar; weak hiring tends to weaken it.
- Others: PCE inflation, retail sales, GDP and business surveys move the dollar less, but can matter when the Fed is undecided.
The key word is “expected”. Markets trade the surprise, not the headline. A strong number that matches forecasts is already priced in, and the dollar can even fall on it if traders were positioned for something stronger.
Yields, risk sentiment and safe-haven flows
Treasury yields, especially the two-year yield, reflect where markets think Fed rates are heading. When US yields rise faster than those in Europe, the UK or Japan, the gap tends to favour the dollar. Traders call this policy divergence.
Risk sentiment is the other big force. In a sharp global sell-off, investors often rush into dollars and US government bonds, so the dollar can rally even on bad US news. In calmer, “risk-on” periods, money tends to flow out towards higher-yielding currencies and the dollar often softens.
The yen complication
The Japanese yen is also seen as a safe haven. In some sell-offs the yen rises faster than the dollar, so USDJPY falls even while the dollar gains against the pound or the euro. Which haven wins depends on the shock.
How a dollar move shows across pairs
The same dollar move looks different depending on whether USD is the base or the quote currency. When the dollar strengthens, EURUSD and GBPUSD fall, but USDJPY rises. Our guide to going long and short on forex pairs explains why every trade is one currency against another.
| Driver | Typical USD reaction | Pairs most affected |
|---|---|---|
| Fed signals higher rates | Dollar firmer | EURUSD, GBPUSD down; USDJPY up |
| CPI above forecast | Dollar firmer | USDJPY up; EURUSD down |
| Payrolls below forecast | Dollar softer | GBPUSD, EURUSD up |
| Global sell-off | Dollar often firmer | GBPUSD, AUDUSD down; USDJPY mixed |
| Calm risk-on markets | Dollar often softer | AUDUSD, GBPUSD up |
These are tendencies, not rules. The pound or euro has its own news too, so check what the other side of the pair is doing.
DXY dollar index explained
The DXY measures the dollar against a basket of six currencies: the euro, yen, pound, Canadian dollar, Swedish krona and Swiss franc. The euro makes up over half of the weighting, so DXY often looks like an upside-down EURUSD. It is a handy gauge of broad dollar strength, but a sterling trader should still check GBPUSD on its own chart.
A worked example: trading around US data
Example (hypothetical, for illustration only): on a £4,500 account you hold a GBPUSD long with a 30-point stop at £3 per point, so £90 at risk (2%). US CPI is due in an hour.
- Check the calendar and the forecast, so you know a surprise is possible.
- Remember that spreads widen and prices can jump at the release.
- If price jumps 15 points through your stop, you lose £135, not £90.
- Choose before the release: close, reduce the size, or accept that wider loss.
Many traders simply stay flat around the biggest releases. Our guide on when not to trade and stay flat covers that, and how to calculate position size shows how to shrink exposure when stops may slip.
Common mistakes
- Trading the headline number rather than the surprise against forecasts.
- Forgetting that a stronger dollar pushes USDJPY up but EURUSD down.
- Reading DXY as if it were a GBPUSD chart.
- Holding full size through FOMC or payrolls without allowing for slippage, a risk our guide to placing a stop loss with price action covers.
- Assuming bad US news always weakens the dollar, even in a global scare.
Frequently asked questions
What makes the US dollar go up or down?
Mostly changing expectations for US interest rates, driven by the Fed, inflation and jobs data. Global risk sentiment matters too, because investors often buy dollars in a crisis.
How do interest rates affect the dollar?
Higher expected US rates tend to draw money into dollar assets, supporting the currency. The gap with rates in other countries matters as much as the US level itself.
Why does the dollar sometimes rise when stocks fall?
In a sharp sell-off, investors often seek the safety and liquidity of dollars and US government bonds. That demand can lift the dollar even when the bad news comes from the US.
Is DXY the same as EURUSD?
No, but they are closely linked. The euro is over half the DXY basket, so the two often move as mirror images, while the pound and yen add their own influence.
Next steps
Fundamentals tell you when a pair may move; price tells you how it is moving. Pair this guide with how to read price action step by step and our weekly-style preview of the big week ahead for JPY, EUR, USD and GBP. For a structured route, the free basics section of our price action trading course is a good starting point.
This article is for education only and is not financial advice. Trading leveraged products such as CFDs and spread bets carries a high risk of losing money.
