Oil at $88 keeps the S&P 500 pinned below its record

Oil has taken back control of Wall Street. Brent jumped 5% on Monday, a fourth straight session higher, and the S&P 500 stayed pinned just below its record. One day before the US inflation print, the indexes are watching the barrel, not earnings.

Oil ends the best week since April

On Friday the S&P 500 set a record at 7,757.64, capping its best week since April with a 3.6% gain. On Monday the engine cut out. The index closed at 7,753.11, down 4.53 points, according to AP data. The Dow lost 60.95 points to 53,975.98 and the Nasdaq composite fell 0.32% to 26,605.36. The Russell 2000, more exposed to input costs, shed 0.6%.

One word explains the session: Hormuz. Tehran says it is close to a deal with Oman on new shipping lanes but wants sanctions lifted and war reparations paid before the waterway reopens, Reuters reports. Brent settled at $87.72 and WTI at $82.13. Both were higher again on Tuesday morning.

Why traders are pricing supply risk

The strait carries close to a fifth of the world's oil. Before the war, 130 vessels crossed it every day. Between August 4 and 6, only eight to fifteen made the trip, Al Jazeera reported, citing MarineTraffic data. Until that count recovers, the risk premium stays in the price.

Dennis Kissler, senior vice president of trading at BOK Financial, summed up the mood: traders now expect tighter supply for longer. Tim Waterer of KCM Trade added that the market wants to see tankers actually move before it pays less. Goldman Sachs put a number on it. One more month of closure would be enough to lift Brent above $100 on average for the year.

Inflation lands at the worst possible time

That is why the indexes are stuck. US payrolls fell by 23,000 in July when the market looked for a gain of 82,000. A number like that should rule out any rate hike. Except energy rose more than 20% over the month, and July CPI is expected at 3.4% year on year after 3.5%, according to Kiplinger.

So markets now price roughly a one in two chance of a September Fed hike, FXStreet noted, citing ING. A slowing economy plus reviving inflation is the worst mix for indexes sitting on their highs. The VIX rose almost 4% on Monday but held below 16, and the Fear & Greed Index still reads 65, in greed territory.

Tech slips while energy collects

Nvidia lost 2% and roughly $104 billion in market value, Apple lost 2% and close to $88 billion, The Motley Fool reported. Intel dropped 4% after announcing a $15 billion share sale. Microsoft saved the day with a 2.1% gain. Energy was the only sector clearly bid. Even so, JPMorgan is sticking with an 8,000 target on the S&P 500 by year end.

Key levels today

Economic calendar

Tuesday 16:00 Paris : US existing home sales. A soft print would feed the slowdown story and support bonds.

Wednesday 14:30 Paris : July CPI, expected at 3.4% year on year. Above 3.5%, the September hike bet moves back in front and the S&P 500 heads for 7,709. Below 3.3%, resistance at 7,845 comes back into range.

Thursday 14:30 Paris : producer prices and jobless claims. A hot PPI would confirm energy is already feeding wholesale prices.

Friday 14:30 Paris : July retail sales. An air pocket here, after payrolls, would shift the debate from inflation to growth.

Bottom line

Oil is running the session and the S&P 500 is waiting on Wednesday's inflation print to pick a side. While Hormuz stays shut, the risk premium stays in the barrel, and position sizing matters more than conviction, a habit that helps when you pass a prop firm challenge.

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This is not investment advice. Informational content only.