Published:September 16, 2026

US Dollar Index extends gains ahead of Federal Reserve decision

The United States Dollar Index (DXY), which measures the value of the US Dollar against six major currencies, extended its winning streak for a sixth consecutive day, trading around 99.70 during Asian hours on Wednesday as markets awaited the Federal Reserve's policy decision.

Why the dollar's run matters for FX traders

The persistence of the dollar's advance matters because central bank guidance from the Federal Reserve will be closely watched for signals about the future path of policy rates. Market reaction to the Fed decision may remain sensitive to language on inflation, rate trajectory and balance-sheet plans. Such Fed commentary can influence global bond yields and risk sentiment, factors that are often reflected quickly in major currency crosses.

Implications for major pairs and yields

Traders will assess how any shift in Fed communications could influence the dollar and related instruments. Key points of focus include:

  • DXY — The index's sixth straight day of gains highlights that the dollar's momentum is a central theme heading into the decision.
  • EUR/USD — As a widely watched EUR-dollar benchmark, this pair may be influenced by changes in US rate expectations and international risk appetite.
  • USD/JPY — Movements in yield differentials and risk sentiment often affect this cross, making it one to watch around Fed-driven shifts in global rates.
  • USD/CHF — Swiss franc crosses can respond to safe-haven flows and adjustments in US policy expectations following the Fed announcement.

Across these instruments, the reaction will depend on the tone and specifics of the Fed's statement and any subsequent comments from officials rather than the fact of a meeting alone.

Looking ahead, markets will monitor the Fed decision itself, the post-meeting statement and any press conference for guidance on future policy. Traders will also watch moves in US Treasury yields and fresh macro releases that could clarify the policy outlook and influence currency flows.