The U.S. Dollar Index dropped 10.8% in early 2026, extending a global currency realignment that began with the euro's 14% appreciation in 2025.1 The shift reflects changing expectations for central bank policies across major economies, with traders repositioning ahead of a Federal Reserve leadership transition in June 2026.
The British pound illustrates the volatility gripping major currencies. Sterling gained 7% against the dollar in 2025 but fell to €1.13 against the euro in November 2026—the lowest level since April 2023.2 Against the dollar, the pound traded near $1.30. "GBP is under pressure," said Simon Phillips, managing director at No1 Currency.2 Jordan Rochester at Mizuho Bank warned the pound could fall below $1.30.2
Dollar weakness typically emerges when markets anticipate Fed rate cuts or when other central banks offer more attractive yields. The euro's 2025 strength suggested investors expected European Central Bank policy to diverge from the Fed's path.
Emerging markets saw sharp swings. Turkey's lira weakened 17% as carry trades unwound—a pattern where investors exit high-yielding but riskier currencies. Switzerland's franc strengthened as a safe-haven asset during the turbulence.
The realignment creates winners and losers globally. European exporters face margin pressure from the stronger euro, while U.S. exporters gain competitiveness. Multinationals with unhedged currency exposure see earnings volatility spike.
Markets are pricing in uncertainty around the June 2026 Fed leadership transition. New leadership often signals policy shifts, particularly around interest rates, inflation targets, and quantitative tightening. The dollar's 10.8% decline reverses a strengthening trend from 2021 to 2024. Whether this marks a sustained bear market or temporary correction remains the key question for global forex markets.