For two weeks the market treated the US-Iran conflict as background noise, because the one thing that would truly matter, a disruption to actual oil supply, kept not happening. On Monday that changed. Iran declared the Strait of Hormuz closed "until further notice", the single most important chokepoint in the energy world, after the US carried out its fourth strike in a week. Washington denied the strait was shut, but the market did not wait for confirmation. Brent crude jumped almost 3%, gold sank below $4,100, and the dollar strengthened against every major currency.
Market snapshot
| Instrument | Level | Move |
|---|---|---|
| Energy & metals (Mon Jul 13) | ||
| Brent Crude | ≈ $78.11 | +2.76% · Hormuz closure fears |
| WTI Crude | ≈ $74 | higher |
| Gold (XAU/USD) | ≈ $4,068 | −1.28% · below $4,100 |
| Forex & rates | ||
| US Dollar | firm | up vs all G10 peers |
| Sept Fed-hike odds | > 67% | up from ~57% |
| Equities (last confirmed close, Fri Jul 10) | ||
| S&P 500 | ≈ 7,575 | +0.42% · capped a winning week |
Energy, metals, forex and rates figures reflect the Monday 13 July session. Equity indices show the last confirmed close (Friday 10 July); Monday's cash session was still reacting to the escalation at publication, with futures lower, so no Monday index close is stated here. Always check live prices with your broker.
Iran declares Hormuz closed
The headline that broke the market's calm was stark. Tehran declared the Strait of Hormuz closed "until further notice," a claim rejected by the US Central Command, following the fourth American strike on Iran in a week, launched on Sunday in retaliation for an Iranian attack on a Cyprus-flagged container ship. Whether or not the strait is physically shut, the words alone matter, because Hormuz carries roughly 20% of the world's oil and gas. It is the artery of the global energy trade, and even the threat of closing it forces every trader to reprice the risk of a genuine supply shock. After a fortnight of the market betting that barrels would keep flowing, this was the first time that bet looked shaky.
Oil jumps, gold sinks, dollar wins
Brent crude climbed 2.76% to about $78, with WTI near $74, as the supply-disruption premium came flooding back. And gold, once again, did the counterintuitive thing: it fell 1.28% to below $4,100, near $4,068. This is now the clearest pattern of the past two weeks. Higher oil stokes inflation, which pushes the Fed further toward rate hikes, and markets duly lifted the odds of a September move above 67%, from around 57% a day earlier. Higher rates are a weight on a non-yielding metal, and this time the safe-haven bid did not go to gold at all: it went to the US dollar, which strengthened against every one of its major peers. When the fear is inflation and conflict together, a currency backed by a hawkish central bank is the cleaner hedge than bullion.
Live Brent crude chart (last three months). Prices shown are current, not the session covered above.
Stocks: Friday's strength meets Monday's shadow
The equity backdrop was a study in contrast. Just on Friday, US stocks had capped a winning week, buoyed by the blockbuster US debut of SK Hynix, whose share offering was the largest ever by a foreign company and popped around 14%, a vote of confidence in the AI-memory trade. But Monday opened under the shadow of Hormuz, with futures lower as the energy shock and firmer rate expectations weighed. Because the cash session was still digesting the news as we published, we are holding off on Monday's precise index levels; the direction, though, was clear enough, and it was cautious.
What it means for traders
This is the event we have flagged for two weeks: the one that could turn a market that keeps shrugging off the war into one facing a real supply shock. The crucial uncertainty now is simple to state and hard to answer: is the Strait of Hormuz actually closing? Iran says yes, the US says no, and the truth will show up not in the rhetoric but in the tanker-tracking data over the coming days. If transit genuinely stops, oil goes materially higher and the inflation-and-rates story intensifies from here; if this proves to be posturing, the premium bleeds out again as it has before. Either way, it is a market moving on headlines by the hour, which is exactly the environment where discipline protects you: keep risk small per trade, size every position deliberately, and respect how leverage magnifies a day like this.
This market wrap is for information and education only and is not financial advice, a forecast, or a recommendation to buy or sell any instrument. Prices and percentage moves are approximate, sourced from public price pages and reports, and may be delayed or revised. Trading forex, CFDs and leveraged products carries a high level of risk and may not be suitable for all investors; you can lose more than your deposit. Always do your own research.