Imagine a highway toll booth through which about one-fifth of the world's consumed oil passes. That toll booth exists: it's the Strait of Hormuz, a narrow stretch of sea wedged between Iran and Oman, barely fifty kilometers wide in places. Every day, under normal circumstances, dozens of oil tankers file through, loaded with crude destined for Asia, Europe, and beyond. Except that right now, according to data compiled by Reuters, the counter is ticking slowly: traffic is counted in units, where normal is counted in dozens of ships.
To properly gauge what's at stake, a simple order of magnitude: out of every 100 liters of oil that circulates worldwide by sea, about 20 pass through this corridor. In other words, this isn't a small country shortcut, it's a main highway of global trade.
Why this strait matters so much
Oil is like the gasoline in your car: when supply gets complicated, everything that rolls, flies, or gets manufactured costs more to produce. Shipping companies, being cautious, often prefer to wait or reroute their vessels toward longer routes. The result: fewer cargoes arrive at their destination, global stocks tighten, and the price of a barrel (the unit of measurement for crude oil, about 159 liters) can move faster than usual.
The mechanism resembles that of a fruit and vegetable market: if the usual route for a truckload of tomatoes is cut off, the stalls empty faster and prices climb while other trucks arrive by another path. Except here, the "truck" takes weeks to make the detour, not a few hours.
The cascading effect on markets
For American indices — the Dow Jones (the 30 major American companies) and the Nasdaq (tech stocks) — the link is indirect but very real. More expensive oil means a heavier energy bill for companies: transportation, factories, logistics. Rising costs mean compressing margins. Conversely, a rapid easing of tensions can relax the overall mood.
The counter-argument is that this kind of episode has happened before: maritime routes often end up reorganizing, new itineraries take shape, and falling traffic doesn't necessarily signal a lasting price increase. Caution is therefore warranted in both directions.
What to watch
- The dollar: the American currency is often sought after when uncertainty rises. Since gold is priced in dollars, a stronger greenback mechanically makes the yellow metal more expensive for foreign buyers — which can weigh on its price.
- Gold: a classic safe-haven asset. When worry climbs, it often attracts buying. When calm returns, it can give back some of the ground gained. It's a swinging motion, not a straight line.
- Volatility: in other words, the magnitude of price swings. It can widen at the opening of American sessions, particularly in energy and transportation. A session that moves 2% instead of 0.5% changes things for an account.
- Official announcements: military communiqués, OPEC+ decisions (the expanded cartel of oil-producing countries, which adjusts its supply to support prices), diplomatic statements. These concrete facts are what move the needle, not hallway rumors.
Pitfalls to avoid
Three mistakes come up often in this type of configuration:
- Confusing noise with signal: a big headline doesn't make a trend. Markets sometimes digest news within a few hours.
- Overreacting to a single data point: maritime traffic is one indicator among others. It should be read alongside inventories, futures contracts, and the broader geopolitical context.
- Forgetting position size: when volatility rises, a usual position becomes riskier without you realizing it. A position calculator helps adjust size to actual risk, not to gut feeling.
How to keep a cool head
One last point, weather-style: a strait emptying out is a cloud on the horizon. It can burst into a downpour or dissipate. Nobody knows the trajectory in advance — hence the value of keeping your position size reasonable and your stops in place.
This is exactly the role of a framework like the JARVIS METHOD: offering clear reference points for reading a session, structuring your entries, and not navigating by sight when the market gets choppy. The details of the setups and rules remain reserved for members, but the underlying logic — discipline, risk management, reading the context — can be learned and practiced. Our complete training program (progressive modules, bootcamps, mentorship) allows you to acquire these reflexes step by step.
To go further, two complementary tools: the trading journal, which helps you understand your own decisions by reviewing them with perspective, and the glossary, which translates each technical term into plain language. Keeping a journal is like keeping a logbook: after a few weeks, you see your patterns, your strengths, and your blind spots.
Educational content, trading involves a risk of capital loss, neither investment advice nor tax advice.