Houthi Strikes on Saudi Oil Reopen the Double-Chokepoint Crisis Into a Fed Week

The ceasefire that isn’t. The United States paused its airstrikes on Iran after 13 consecutive nights of escalating bombardment, and Iran signaled it would halt its own retaliatory attacks as long as the pause held. Diplomatic backchannels are active. By the surface read, the temperature is dropping. But the war is not contracting — it is migrating.^[1]

On Saturday, Yemen’s Iran-aligned Houthis fired missiles and drones at Saudi Aramco oil installations in Jizan and Yanbu, the first claimed direct strike on the kingdom’s oil infrastructure since 2022. A large column of smoke rose from the direction of the Aramco refinery in Jizan, which can process up to 400,000 barrels per day. Two missiles aimed at Yanbu were intercepted, but the message landed. Houthi leader Abdul Malik al-Houthi has declared a naval blockade of Saudi Arabia and warned that all Saudi oil facilities are potential targets.^[1]

Meanwhile, Iran’s Foreign Ministry accused Ukraine of attacking an Iranian commercial vessel in the Caspian Sea — one sailor killed, another injured — and summoned Ukraine’s chargé d’affaires in Tehran to protest. Ukrainian President Volodymyr Zelenskyy confirmed his forces struck targets in the Caspian, including vessels used in military cargo shipments involving Iran.^[2] The war’s geography is no longer the Gulf alone. It is now the Red Sea, the Caspian, and the Gulf — three bodies of water, each with its own escalation vector.

The Double-Chokepoint Problem

This is the quiet indicator that should be loud. Saudi Arabia spent months building a workaround for Iran’s blockade of the Strait of Hormuz: the East-West Pipeline, which carries crude overland from the Gulf coast to the Red Sea port of Yanbu, bypassing Hormuz entirely. Saudi Arabia pushed that pipeline to a record seven million barrels per day in March.^[3] Yanbu alone handled 92% of Saudi Arabia’s seaborne crude exports in June.^[3]

Now that workaround is under fire. The Houthis control the Bab el-Mandeb strait at the southern entrance to the Red Sea, and they have moved from posturing to active targeting of Saudi-affiliated vessels, deploying missiles and drones to positions near the chokepoint, according to the 47-member Combined Maritime Forces.^[3] Saudi Arabia has loaded no crude for export via Bab el-Mandeb since the Houthis declared their maritime embargo. Crude oil supply to Asian buyers is instead moving through the Suez Canal, where exports surged 106% in the first week of the embargo to 1.06 million barrels per day.^[3]

The Suez rerouting is a costly, time-consuming workaround. A Saudi oil cargo from Yanbu to South Korea takes about 24 days via Bab el-Mandeb versus 54 days via Suez and around the Cape of Good Hope — more than four weeks longer. The Suez Canal is too shallow for fully loaded very large crude carriers (VLCCs), which carry roughly two million barrels, forcing a switch to smaller Suezmax tankers that carry about one million barrels each. It takes two Suezmaxes to replace a single VLCC, adding roughly $2 million in chartering costs per cargo. VLCC rates stood at $382,397 per day on July 24.^[3]

Mannat Jaspal, director of climate and energy at the Observer Research Foundation Middle East, described the stakes plainly: “A double chokepoint scenario will send energy markets into a severe tailspin.”^[3] If both Hormuz and Bab el-Mandeb are compromised simultaneously, Saudi Arabia’s overland pipeline — the last remaining bypass — loses its exit route to the sea.

Oil Back Above $100 — and the Fed’s New Problem

Brent crude broke back above $100 a barrel on July 23, the first time in two months, before falling nearly 5% to settle near $97 on Friday as hopes of US-Iran de-escalation grew.^[3] USO, the US oil fund ETF, closed Friday at $136.69, down 2.0% on the day.^[4] Monday’s open — the first trading session since Saturday’s Houthi strikes on Aramco — will be the first real test of whether markets price the double-chokepoint risk as a lasting supply disruption or a transient escalation.

The oil move is already cascading into rate expectations. Fed funds futures are now pricing a roughly 82% probability that the Federal Reserve raises interest rates at its September meeting, up from below 53% just one week ago.^[5] Kalshi traders are similarly raising their bets on a hike.^[5] The surge in hike odds is directly tied to oil’s rip higher as the US-Iran conflict escalates.^[5]

The Fed is widely expected to hold rates steady at its July 29 decision — the first real test for Chairman Kevin Warsh, confirmed by the narrowest margin in history — but the press conference tone will set the multiple that this week’s megacap earnings get valued against.^[6] Edward Jones noted that the Fed is likely to hold in July, but September is a live meeting, with a hike “increasingly plausible if energy pressures persist and inflation remains sticky.”^[7] The backdrop has shifted from rate-cut expectations at the start of the year to a higher-for-longer regime.

60-Country Tariffs Layer On Top

As if oil at $100 and a hawkish Fed were not enough, the Trump administration finalized new double-digit tariffs on more than 60 countries on July 23-24, just as stopgap 10% worldwide tariffs expired Friday. The levies — 10% to 12.5% on countries accounting for 99% of US imports — are imposed under Section 301 of the Trade Act of 1974, justified by allegations that these nations fail to effectively enforce prohibitions on forced-labor imports.^[8]

The legal structure matters more than the headline rate. Section 301 allows the president to levy tariffs as a permanent measure without going to Congress, a path that experts say closes off the short-term relief mechanisms available under the emergency-authority tariffs the Supreme Court struck down in February.^[8] Even if affected countries enact and enforce the forced-labor import bans the US demands, they would still need to prove compliance to Washington’s satisfaction before the tariffs are removed. Lawyer Patrick Childress of Holland & Knight noted that this “suggests no short-term path for countrywide relief.”^[8]

The international pushback has been swift. Brazil, facing a 12.5% tariff, called the move “arbitrary and unjustified.” Australia’s trade minister questioned the justification for its 12.5% rate, noting that Australia “takes the issue of modern slavery seriously.”^[8] The Cato Institute’s Scott Lincicome called the forced-labor rationale “laughable on its face” for countries like Norway and Switzerland.^[8] None of this changes the fact that the tariffs are now in effect.

The Fed-Earnings Collision: Wednesday Is the Whole Week

The calendar compresses every risk vector into a single 72-hour window. On Wednesday, July 29, the FOMC delivers its rate decision in the afternoon. After the close, Microsoft and Meta report earnings on the same evening. On Thursday, Apple reports, followed by Amazon.^[6]

Together, these four companies are worth more than most national stock markets. As of Friday’s close, AAPL stood at $333.02 (up 3.5% on the day), MSFT at $381.70 (flat), META at $595.19 (down 1.8%), and AMZN at $232.11 (down 0.7%).^[4] The market walked into the weekend nervous: Tesla collapsed roughly 16% in the prior week after a soft forward guide, and the tape has become newly allergic to AI capex spending without corresponding revenue.^[6]

Every earnings print will be read through two lenses simultaneously: the capex question (can management point to revenue from AI spend?) and the Fed question (what multiple does the market assign if Warsh signals hawkish?). A hawkish Fed surprise on Wednesday afternoon compresses every high-multiple stock’s valuation, and then Microsoft and Meta print into that fresh fear the same evening.^[6]

What to Watch Next

• Monday’s oil open. Brent settled near $97 on Friday amid de-escalation hopes. Saturday’s Houthi strikes on Aramco facilities are the first direct hit on Saudi oil infrastructure since 2022. If Monday’s open reprices the double-chokepoint risk as structural rather than transient, the $100 level becomes a floor, not a ceiling. Watch USO and BNO for the ETF signal, and XOM ($156.94 Friday close) and CVX ($194.79) for the equity read-through.^[4]

• The Bab el-Mandeb flow data. Kpler reported Saudi exports via Bab el-Mandeb have dropped to near zero. If the Suez reroute holds and oil keeps flowing — albeit at higher cost — the market may treat this as a logistics shock, not a supply shock. If the Houthis escalate to sustained strikes on Saudi tankers in the Red Sea, the logistics shock becomes a supply shock. The 2023-25 Houthi campaign sank four ships and forced over 2,000 vessels onto the Cape route.^[3]

• Wednesday’s Fed statement and press conference. A hold is expected. The signal is in the language: does Warsh acknowledge oil-driven inflation risk explicitly? Does the dot plot or guidance shift toward September? An 82% market-implied hike probability for September is already aggressive — any confirmation from the podium makes it a consensus.^[5]

• The US-Iran talks. Ambassador Mike Waltz said the pause in strikes was to “give some talks some space” and confirmed talks are “ongoing at the highest levels.” But a senior Iranian source told Reuters the prevailing view in Tehran is that “the pause is tactical rather than genuine.”^[1] If talks collapse and airstrikes resume, the double-chokepoint problem intensifies overnight. If talks produce a framework, the oil risk premium unwinds — but the tariff layer remains.

• Tariff litigation and retaliation. Trump was sued “hours after new tariffs take effect,” and experts say they may not hold up in court.^[5] But Section 301 has survived prior legal challenges. The real watch item is whether major trading partners — the EU, Brazil, Australia — move from verbal protest to retaliatory measures that could complicate the trade picture further.

The pattern here is familiar to anyone who watches escalation dynamics: the visible indicator (a strike pause) says one thing, while the quiet indicators (proxy attacks widening, chokepoints closing, rate-hike odds surging) say another. The market enters the heaviest week of the summer pricing the visible indicator. The quiet indicators are what break things.