The Daily Brief

The market has stopped debating whether the Bank of England hikes again and started pricing how far it goes. Sterling still slipped to around $1.35 in yesterday's session, softer on the day, even as investors moved to fully price four rate increases by the end of 2027 and a first 25 basis point move as soon as December. A currency falling while its central bank is expected to tighten is the tell that something other than domestic policy is setting the price. That something is the energy bill.

Brent back above $100 and UK natural gas at its highest since late 2022 hit Britain as a net energy importer before they help it through higher yields, and the gilt market has been repricing the strain in real time, with the 10-year yield pushing to a 19-year high as hike bets surged. Rising yields would normally support a currency; here they read as much as a signal of imported inflation and fiscal cost as of policy resolve. The Bank itself is not encouraging the more aggressive end of that pricing.

Governor Bailey has pushed back on the idea that another increase is simply a matter of time, framing the path as contingent on how the geopolitical and inflation picture evolves, while colleague Megan Greene has warned that a prolonged oil shock is precisely what turns a one-off price rise into de-anchored expectations. Next week's meeting is still expected to hold, which leaves the language, not the decision, as the event. Underneath the rate story sits a fiscal one. The FTSE 100 slipped to a seven-week low yesterday, and investors are already looking to the 28 October budget as the test of whether the government can hold its credibility in the gilt market while growth softens.

Sterling is caught between a central bank the market wants to be hawkish and an economy that cannot easily wear the cost. At around $1.35, the pound sits in the lower half of a twelve-month band that has run roughly from $1.30 to $1.39, and it has got there despite the most hawkish BoE pricing in years. That is the asymmetry worth watching: with the hawkish case already in the price, the pound's upside now leans on a soft US inflation print today rather than anything domestic, while a hot one risks pulling it back toward the low $1.34s as the dollar extends. For sterling-exposed importers, the calm around $1.35 flatters a position that is doing more work to stand still than the level suggests.

Everything the dollar does today runs through the 13:30 inflation print. The Dollar Index holds near 99 this morning, firmer on the week, after a stronger-than-expected producer price reading lifted the implied odds of a Federal Reserve hike next week above 70%. Consumer prices for August, due this afternoon, are the last major data the Fed sees before it meets, and the market is treating them as the swing between a hike that is likely and one that is close to certain. The hawkish turn is a response to a price the Fed does not set.

An energy shock is pushing headline inflation up through fuel and freight, and the question the CPI detail answers is whether that pressure is bleeding into core services, where it becomes stickier and harder to dismiss as a one-off. Headline is expected to hold around 3.4% year on year; the core reading, and the shelter and services components beneath it, are where the market will look for evidence the shock is spreading. The dollar is being paid twice over in this environment, as the currency of the central bank most credibly expected to tighten and as the reserve asset investors reach for when a conflict widens.

Both bids point the same way, which is why the greenback has firmed even as US equity futures point lower and Treasury yields climb, with the 10-year back near 4.97%. A safe-haven bid and a rate bid rarely pull in the same direction for long, but for now they are compounding. What is new is the conviction. A month ago the debate was whether the Fed had finished; a strong August jobs report and firm producer prices have flipped that into a live question of how much further it goes. Today's print either cements the hike into next week's decision or hands the doves a reason to slow it, and the dollar will move on which.

The index sits just below 99, elevated by the repricing but still short of the 100 line that has capped it through the year, which frames the stakes cleanly. A core surprise to the upside would likely take both the hike probability and the index through their recent ceilings; an in-line or soft print unwinds part of a move already priced for the hawkish outcome. For anyone holding or owing dollars across the coming week, the balance of risk sits with a firmer dollar into the Fed, with today's number the hinge.

The rand's problem this week is that its economy weakened just as the world turned against it. Data confirmed South African output shrank 0.2% in the second quarter, ending six straight quarters of growth, and the currency slid close to 1% in yesterday's session to around 16.19 per dollar, its weakest in over a week. A contracting economy meeting a firmer dollar and a fresh oil spike is a difficult combination for a commodity currency to hold. The oil move lands directly on South Africa.

As a net energy importer that adjusts domestic fuel prices monthly, the country passes a Brent spike into pump prices and then into inflation within weeks, and the escalation overnight all but guarantees another upward fuel adjustment. Inflation had eased to 4.3% in July, comfortably inside target, but that improvement is exactly what the energy shock now threatens to reverse. That leaves the Reserve Bank with a genuine dilemma into its meeting later this month. It has held through the oil shock so far, resisting hikes in April and July on the view it could look through a supply-driven price rise, and Governor Kganyago has signalled a preference for caution anchored to the 3% target.

But mining output fell more than 7% in July and the economy is contracting, so a hike to defend the currency and cap fuel-driven inflation would be tightening into weakness. The market is now speculating on a 25 basis point move where a hold was the base case a month ago. For all that, the rand has been the quiet outperformer of the crisis. It is stronger against the dollar over twelve months and spent recent weeks near its firmest since the conflict began in late February, carried by elevated gold and a disciplined fiscal stance. Yesterday's slip is the first real crack in that resilience, and whether it widens depends less on Pretoria than on the dollar and the oil price.

At around 16.19, USD/ZAR sits in the stronger half of a twelve-month range that has run from roughly 15.64 to 17.82, a reflection of how well the rand has held rather than how benign the backdrop is. The asymmetry now leans clearly toward weakness: a hot US inflation print, a probable Fed hike, and the fuel pass-through into the late-September SARB decision all push the same way, while the Bank's growth-versus-inflation bind limits how hard it can lean against a drift back toward 16.50. For businesses with rand revenue or costs, the current level still sits on the favourable side of that range, which is the part of the picture that tends not to last.

Brent is trading near $109 this morning, up more than 7% overnight and up close to a fifth in a fortnight, after the US-Iran conflict widened and pulled the supply picture sharply tighter. A move of that size in a single session is not a repricing of risk; it is the market absorbing a step-change in the odds that Gulf supply stays offline. The physical backdrop is why the move sticks. Roughly 8 million barrels a day of Gulf output remains shut in, the Strait of Hormuz is still contested, and the International Energy Agency's monthly report this morning will update a supply-and-demand balance that already shows global output well below year-ago levels.

When the shortfall is structural rather than sentiment, a headline can add a premium that patient buying does not quickly unwind. What makes today's tape distinctive is the combination. Equities are lower across the board, with US futures pointing down and Asian benchmarks off more than 1.5%, while bond yields are rising rather than falling and industrial metals like copper and silver are down sharply. Falling stocks, rising yields and softer growth-sensitive commodities together are not a simple risk-off move; they are the market pricing a supply shock that lifts inflation and threatens growth at the same time.

The policy response is converging on tightening. The European Central Bank has raised rates, the Fed is expected to hike next week, and the Bank of England is being priced for more, which removes the cushion that coordinated easing would normally provide against an external shock. Gold, near record levels, slipped on the day as that hawkishness firmed the dollar, a reminder that even the classic hedge is not immune when real-rate expectations reset. Brent near $109 now sits well above the $90 to $95 band that held through the summer, and the balance of risk stays skewed higher while the Strait remains contested and the shut-in barrels stay shut.

Today's inflation print and the IEA's supply update are the two things that could move that calculus before the weekend, one by shaping how far central banks tighten, the other by reframing how long the shortage lasts. For anyone with energy-linked costs or exposure to the importer currencies moving with crude, the spread between where oil trades today and where it settled a month ago is the number that has already changed the arithmetic.