USD Dollar Index in forex signals
The US Dollar Index (DXY) measures the value of the US dollar against a basket of six major currencies: EUR (57.6%), JPY (13.6%), GBP (11.9%), CAD (9.1%), SEK (4.2%), and CHF (3.6%). When DXY rises, the dollar strengthens against most pairs. When DXY falls, the dollar weakens.
Why DXY matters for forex signals
Because the dollar appears in most major forex pairs (EUR/USD, GBP/USD, USD/JPY, USD/CHF, AUD/USD, USD/CAD), a directional DXY move affects all of them. A rising DXY typically:
- Pushes EUR/USD, GBP/USD, AUD/USD lower (SELL signals)
- Pushes USD/JPY, USD/CHF, USD/CAD higher (BUY signals)
- Pushes XAU/USD (gold) lower (inverse correlation)
The USD Broad Trend rule
SignalsTrades tracks the weekly DXY direction. If DXY has been rising on weekly closes, the system adds a USD-bullish bias: SELL for EUR/USD, BUY for USD/JPY. If DXY has been falling, the opposite bias applies. This cross-market context improves signal alignment.
How do I read DXY myself?
DXY is available on most charting platforms under ticker "DX-Y.NYB" (Yahoo Finance) or "USDX". A weekly close above the 20-week moving average is broadly USD-bullish. Below is USD-bearish.
What moves DXY?
US interest rates (Fed decisions), inflation data (CPI), employment (NFP), and global risk sentiment. When the Fed raises rates, DXY typically rises. When global risk sentiment improves and investors move out of USD-denominated safety, DXY typically falls.