US Dollar Struggles Near Three-Month Lows as Markets Await Critical PMI Data
The U.S. Dollar Index slipped to 98.80 last week, marking a three-month low and a 0.9% weekly decline, as the Treasury Department's decision to increase long-term bond repurchases weighed on yield…
Rebecca Jennings·updated August 23, 2026

The U.S. Dollar Index slipped to 98.80 last week, marking a three-month low and a 0.9% weekly decline, as the Treasury Department's decision to increase long-term bond repurchases weighed on yield expectations and left the greenback vulnerable ahead of this week's closely watched PMI releases. For currency traders, the convergence of softening dollar momentum, rising European majors, and shifting rate-differential dynamics demands a recalibration of positioning assumptions.
Treasury Operations and the Yield Channel
The Treasury's expanded repurchase programme for long-term bonds has introduced a meaningful shift in the liquidity absorption calculus. By absorbing duration from the market, the operation effectively compresses term premia and narrows the yield advantage that had underpinned dollar strength through much of the summer. The Dollar Index hovering just above the 98.50 handle reflects this repricing in real time — a level we have not tested since early May. USD/JPY trading below 159.00 underscores the point: as U.S. yields soften relative to expectations, the carry-driven bid for the pair weakens, particularly when Japanese inflation data continues to surprise to the upside and keeps the Bank of Japan's tightening narrative alive.
European Majors Capitalise on Dollar Weakness
The euro and sterling have been the primary beneficiaries of this dollar retreat, with EUR/USD climbing to a three-month high. The move is not purely a dollar story — Eurozone data releases have shifted sentiment in favour of the single currency, reinforcing the view that the European Central Bank's policy path may diverge further from the Federal Reserve's. For those managing EUR/USD exposure, the question is whether this breakout has fundamental legs or whether it is front-running a PMI disappointment that could reverse capital flows swiftly. Sterling's parallel advance suggests the move is broad-based rather than pair-specific, pointing to genuine dollar selling rather than isolated euro strength.
What the PMI Print Could Unwind — or Confirm
This week's PMI data carries outsized significance precisely because the dollar is already trading at the lower bound of its recent range. A stronger-than-expected manufacturing or services reading could restore some hawkish pivot expectations and trigger a snapback toward the 99.50–100.00 zone on the Dollar Index. A miss, however, would likely accelerate the move lower and open the path toward 97.80 — a level that would represent a full retracement of the Q2 rally. We should also note that gold remains underpinned in this environment, with the $4,360 support level flagged as a key floor; softer dollar dynamics and falling real yields tend to reinforce the bid in precious metals.
For now, the practical takeaway is straightforward: the dollar's multi-month lows are not a technical anomaly but a reflection of shifting yield differentials and fiscal operations that absorb long-end supply. Position accordingly, and keep the PMI releases circumscribed in your risk framework — they are the single most likely catalyst for the next directional leg. Even in adjacent markets, how platforms split reach and engagement metrics offers a useful parallel: when the underlying data architecture shifts, the surface-level numbers tell a different story than the structural reality beneath them.