The U.S. dollar's decline is forecast to persist into H1 2026, driven by more than just policy shifts. As U.S. interest rate advantages narrow relative to the rest of the world, hedging costs for foreign investors decrease. This provides a greater incentive for investors to hedge their currency exposure, leading to increased dollar selling.
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COFA data reveals a significant multi-year trend where a bloc of unspecified "other currencies" is steadily gaining share in global reserves. This group has displaced more of the US dollar's declining share than the Euro, Yen, or Sterling, indicating a broad, under-the-radar diversification movement by reserve managers.
A recent global fixed income sell-off was not triggered by a single U.S. event but by a cascade of disparate actions from central banks and data releases in smaller economies like Australia, New Zealand, and Japan. This decentralized shift is an unusual dynamic for markets, leading to dollar weakness.
J.P. Morgan's 2026 outlook is "Bearish Dollar, Bullish Beta," favoring pro-cyclical and high-yield currencies. They expect the dollar's decline to be smaller and narrower than in 2025 unless US economic data significantly weakens, shifting from the more aggressive bearishness of the previous year.
The initiation of the Fed's cutting cycle is the critical trigger for a weaker dollar against EM currencies, outweighing any mixed forward-looking commentary. This is because the cycle's start begins to erode the US carry advantage, a key structural factor supporting EM FX performance.
Even if US inflation remains stubbornly high, the US dollar's potential to appreciate is capped by the Federal Reserve's asymmetric reaction function. The Fed is operating under a risk management framework where it is more inclined to ease on economic weakness than to react hawkishly to firm inflation, limiting terminal rate repricing.
The US dollar reached its peak global dominance in the early 2000s. The world is now gradually shifting to a system where multiple currencies (like the euro and yuan) and neutral assets (like gold) share the role of reserve currency, marking a return to a more historically normal state.
Instead of directly shorting the US dollar, which can be costly, traders can use the Canadian dollar (CAD) as a more profitable proxy. This approach offers a better "carry" advantage due to interest rate differentials, while still capturing the downside of a weakening USD, especially as the Bank of Canada's policy mirrors the Fed's dovishness.
According to Keith McCullough, historical backtesting reveals the rate of change of the U.S. dollar index is the most critical macro factor for predicting performance across asset classes. Getting the dollar right provides a significant edge in forecasting moves in commodities, equities, and other global markets.
Fed Chair Powell's hawkish tone caused a short-term dollar rally by pushing back on a December rate cut. However, the market has not fundamentally re-evaluated the Fed's terminal rate, suggesting the dollar's upward potential from this single factor is capped as the core long-term trajectory remains unchanged.
The US dollar's recent slide is not just due to a pro-risk environment. Markets are also pricing in the government reopening, which involves running down the Treasury General Account (TGA). This action is expected to inject significant liquidity into money markets, placing short-term downward pressure on the dollar.