Sterling today: Pound edges up as dollar stays soft on Fed rate-hike bets

FX markets await Friday's August U.S. CPI, with ING forecasting 0.4% month-on-month headline inflation and 0.2% core inflation, figures it believes could support a 25bp Fed cut on September 16; markets assign the cut a 58% probability. Sterling rose 0.14% to 1.3535 and the euro gained 0.07% to 1.1622 against a soft dollar, though ING expects higher energy prices and underpriced Fed easing to support DXY in a 99.00-99.50 range. Treasury supply is also a focus, with $119B of 3-, 10- and 30-year auctions, while Thursday's ECB decision and UK fiscal concerns ahead of the October 28 budget add regional FX risks.

Analysis

The actionable asymmetry is in the rates-to-FX transmission, not the headline CPI print: markets appear positioned for a benign disinflation outcome while still carrying substantial easing expectations. A firmer-than-expected core reading would likely lift front-end Treasury yields and reprice the September meeting quickly, favoring USD over EUR and GBP for days to several weeks. Conversely, a soft print may not be unambiguously dollar-negative if it revives the global risk-on regime; the key confirmation is whether equities rally while real yields fall.

Treasury supply is the near-term complication. Weak long-bond auction metrics would raise term premium rather than merely alter Fed expectations, creating a less reliable positive relationship between yields and USD; that outcome is bearish duration but can cap USD gains as foreign investors demand a higher fiscal-risk premium. Monitor 10-year and 30-year auction tails, bid-to-cover ratios, and indirect bidder participation rather than nominal yields alone.

GBP has a distinct 1-3 month vulnerability into the fiscal package: credible restraint may support gilts but constrain UK growth expectations, while unfunded measures would widen gilt-Bund spreads and revive sterling risk premia. The cleaner expression is EUR/GBP rather than outright cable, because it isolates UK fiscal uncertainty from the larger U.S. inflation surprise. A dovish ECB surprise is the principal near-term risk to that relative-value setup.

Key Decisions for Investors

• Initiate a 2-4 week tactical long UUP / short FXE pair ahead of CPI and the ECB meeting; target a 2-3% relative move, with a 1% stop on the pair. Falsify on U.S. core CPI at or below 0.1% m/m combined with a hawkish ECB guidance shift.
• Use 1-month UUP call spreads rather than outright USD exposure if implied volatility remains below the post-CPI realized-volatility range; this limits loss if Treasury term-premium stress breaks the usual USD/yield relationship.
• Set a conditional alert to short TLT or buy TLT put spreads only if both the 10-year and 30-year auctions tail materially and indirect demand weakens versus recent averages. Do not pre-position: missing auction-demand data makes a duration short premature.
• For a 1-3 month relative-value trade, accumulate EUR/GBP near the lower end of its recent range via defined-risk calls or a spot stop below 0.8580. Target 0.8700-0.8750; exit if the UK fiscal statement is accompanied by credible, funded growth measures and gilt-Bund spreads tighten.
• Avoid treating ING as a direct earnings beneficiary; the market impact is macro-driven and its published FX view is not independently verifiable evidence of a material revenue catalyst.