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MONDAY, AUGUST 10, 2026   |   SPECIAL REPORT & ANALYSIS

MARKET PERSPECTIVE  |  CRUDE OIL

Crude Roars Back: Oil Jumps More Than 5% as Hormuz Hopes Fade and Houthis Hit a Saudi Refinery
 

Iran’s hardened conditions for reopening the Strait of Hormuz, an elusive Oman-brokered deal and a drone strike on Saudi Arabia’s Jazan refinery reignited the war-risk premium Monday, erasing most of oil’s late-July slide.
 

Analysis  ·  August 10, 2026

Crude oil ripped higher Monday in the sharpest one-day advance since the Strait of Hormuz crisis re-escalated last month. By Monday afternoon, Brent crude was up 5.05% at $87.78 a barrel and West Texas Intermediate was up 5.12% at $82.20, extending an early rally of roughly 3% as the session wore on. The move puts Brent back within striking distance of the $100 level it briefly reclaimed in late July — and roughly 17% above where it traded before the U.S.-Israel war with Iran erupted in late February.

Five months into the Hormuz crisis, the market keeps relearning the same lesson: nearly every route Gulf oil can take to the sea is now contested, and the diplomacy meant to fix it keeps missing its deadlines.

Table 1. Monday’s crude oil scoreboard. Friday closes are approximate; Monday quotes are afternoon levels and remain volatile. Sources: exchange quotes, press reports.

Three sparks under one dry market

Iran raised the price of reopening. Tehran’s negotiators layered new political conditions onto any deal to reopen the Strait of Hormuz, with a senior political adviser saying the United States must lift its naval blockade of Iranian ports, withdraw military forces from the region, grant comprehensive sanctions relief, unfreeze Iranian assets and pay war reparations — on top of a permanent peace agreement. Foreign Minister Abbas Araghchi has framed sanctions relief and reparations as non-negotiable. Analysts were blunt: the odds Washington accepts that full list are remote, which means the strait stays shut and the risk premium stays in the price.

The Oman track stalled at the worst moment. President Trump has been targeting Wednesday, Aug. 12, for announcing a deal built around a 60-day temporary Iran-Oman arrangement for managing strait traffic. But the accord remained elusive over the weekend — Iran struck another commercial vessel on Saturday even as talks continued, and Tehran warned that a deal “cannot in itself mean the waterway has become safe.” The central obstacle is unchanged: Iran insists ships use Tehran-designated routes and pay tolls after a transition period, while Washington backs a corridor through Omani waters with no tolls at all.

The Houthis hit Saudi Arabia’s alternate outlets. Yemen’s Iran-backed Houthis claimed a drone strike on Saudi Aramco’s 400,000-barrel-a-day Jazan refinery on the Red Sea coast — a facility only just recovering from a late-July attack, with a restart penciled in for mid-August. Saudi authorities said the fire was extinguished without casualties, but the militants also threatened Yanbu, the kingdom’s main Red Sea crude export hub. With Hormuz closed, those Red Sea outlets are precisely the infrastructure Riyadh is counting on.

Market watchers summed up the mood. “The lack of concrete movement… is keeping a risk premium in the price,” said analyst Tim Waterer. The United Arab Emirates, meanwhile, condemned an Iranian attack on an ADNOC vessel — one of 64 violent maritime incidents, with 17 deaths, recorded since the war began.

Figure 1. Brent crude’s 2026 ride, plotted from reported closing-price milestones; the Aug. 10 point is a Monday-afternoon quote. Sources: press reports, exchange data.

A chokepoint still choked, and the workarounds are on fire

Before the war, roughly a fifth of the world’s oil — about 20 million barrels a day — moved through the Strait of Hormuz, with tanker traffic running around 130 transits daily. The June 17 Islamabad memorandum briefly restored a trickle: 513 ships crossed between June 18 and July 5, an average of 28 a day, and single days in late June saw record catch-up flows of 16 million to 20 million barrels. Since the truce collapsed in early July, traffic has withered to 8 to 15 vessels a day — a more than 90% collapse from the norm.

The alternatives are shrinking, not growing. Saudi Arabia’s East-West pipeline can move about 5 million barrels a day to Yanbu on the Red Sea, and the UAE’s Fujairah bypass adds roughly 1.5 million more — but Fujairah’s oil zone was struck by Iran in May, and the Houthis declared a naval blockade of Saudi shipping in the Red Sea in late July, striking tankers and pushing Lloyd’s to widen its high-risk insurance zone. A late-July drone strike on Egypt’s Damietta LNG port put even the Suez approach — the last comfortable Saudi export route — under threat, and by early August some 44 vessels had been redirected. Combined, every pipeline workaround in the region moves less than half of what Hormuz carried in normal times.

Figure 2. Daily ship transits of the Strait of Hormuz: pre-war norm versus the June reopening window and the latest reported counts. Sources: press reports, ship-tracking data cited by Al Jazeera.

Figure 3. The squeeze on Gulf oil: the closed strait, attacked infrastructure and the Red Sea outlets now under Houthi threat. Sources: press reports; map by Ag Policy & Markets Daily.

The negotiation math behind Wednesday’s deadline

The diplomatic setup heading into midweek is unusually binary. On Aug. 7, Gulf states signed the Mecca Joint Defence Pact and Trump called off a planned bombing campaign, setting Wednesday as the target for a deal announcement. The emerging framework — a 60-day Iran-Oman arrangement that reopens a monitored corridor — would be the second attempt at a temporary fix after June’s memorandum collapsed within three weeks. Washington describes negotiations as “semi-active”; Vice President Vance concedes uncertainty about what Tehran is actually offering.

The market’s skepticism is earned. The June deal fell apart over the same two disputes now unresolved: whose routes ships must use, and whether Iran may charge tolls. Iran’s chief negotiator has called Hormuz the country’s “greatest strategic instrument,” and Tehran formally suspended its memorandum commitments on July 18. Traders who bought the late-July de-escalation — Brent fell 11.3% on July 27, its biggest one-day drop since April, when U.S. strikes paused — spent Monday buying that premium back.

What it means for agriculture

For farm country, Monday’s rally lands in the middle of pre-harvest fuel buying and fall fertilizer decisions. Retail motor fuel prices were already running about a third above pre-war levels in July, and diesel — the fuel that powers harvest, grain drying and truck freight — tracks crude with a lag. Every sustained $10 move in crude typically feeds through to roughly 25 to 30 cents a gallon at the farm diesel tank over time.

The fertilizer channel may matter even more. The Gulf supplies nearly half of the world’s traded urea and about 30% of its ammonia, and roughly a third of globally traded fertilizer normally transits Hormuz. Urea prices jumped about 50% in the first weeks of the crisis, and analysts have penciled in world fertilizer prices 15% to 20% above normal for as long as the strait stays shut. Natural gas — 20% of global LNG moves through Hormuz, and the Damietta strike hit an LNG port — is the feedstock cost under fall anhydrous ammonia bookings.

There are offsets. Higher crude lifts gasoline blendstock values, which supports ethanol margins and the corn grind behind them, and firm energy tends to buoy the broader commodity complex. But the same rally raises barge, rail and ocean-freight surcharges on grain movement — war-risk insurance has already rerouted traffic around the Cape of Good Hope — and prolonged $90-plus crude risks the kind of demand destruction that eventually drags the whole complex lower.

Table 2. How the Hormuz crisis reaches the farm gate. Sources: press reports, industry data.

What to watch this week

Wednesday is the fulcrum. Trump’s self-imposed Aug. 12 target for announcing a Hormuz deal falls the same week as fresh U.S. inventory data and USDA’s August supply-demand update, so energy and grain traders will be reacting to the same headlines at once. Watch whether the Iran-Oman corridor framework survives Tehran’s added conditions; whether Aramco can restart Jazan by mid-August as planned; whether the Houthis make good on threats against Yanbu; and whether daily Hormuz transit counts — the single cleanest gauge of whether de-escalation is real — climb off the single digits. A credible deal likely knocks $5 to $10 out of the price quickly, as the June memorandum did; another collapse points the market back toward the July highs above $100.

Bottom line

Monday’s 5% surge is less about one drone strike than about a market conceding that the world’s most important oil chokepoint may stay effectively shut into the fall. With Hormuz traffic down more than 90%, the Red Sea workarounds under fire and Iran raising its price for reopening, the floor under crude is well above pre-war levels even if Wednesday produces a deal.

For agriculture, the exposure runs through diesel, nitrogen and freight far more than through the crude quote itself. Producers with fall fuel and ammonia needs should treat any deal-driven price break this week as a buying window rather than a trend change — the last two “resolutions” of this crisis lasted three weeks and one day, respectively. Volatility, not direction, remains the only sure thing this market is offering.

AG POLICY & MARKETS DAILY   |   MARKET PERSPECTIVE  |  CRUDE OIL — MONDAY, AUGUST 10, 2026