Oil erased a week of optimism in one session. Brent crude settled up $4.17, or 4.99 percent, at $87.72 a barrel Monday, and West Texas Intermediate closed $3.95, or 5.05 percent, higher at $82.13 — the steepest percentage gain for both benchmarks since July 29. [1] The cause was not a refinery fire or a new strike wave. Two governments demanded compensation from each other on the same day, and traders concluded nobody would be shipping anything soon.

The reversal is starker against Friday's tape. Both contracts fell more than seven percent last week on hopes that Iran and Oman were close to a lane agreement that would reopen the strait. [1] Treasury Secretary Scott Bessent had told CNBC a deal opening Hormuz with freedom of movement could come soon; the sell-off followed his confidence. [2] Monday's dueling reparations bills — Trump demanding fifty years of damages from Iran, Tehran restating its own compensation terms as a precondition — took the hope back out. [3]

Iran's foreign ministry spokesman supplied the mechanism in one sentence. As long as the American naval blockade continues, Esmail Baghaei said through Tasnim, "the necessary conditions for the reopening of the Strait of Hormuz do not exist." [2] Traders heard a timeline measured in months. "With Iran making the added demands, most traders feel near term, tighter supplies are more probable for longer," said Dennis Kissler, senior vice president of trading at BOK Financial. [1]

Under the price sits a physical ledger worth reading alongside the futures screen. The Strategic Petroleum Reserve fell about 6.1 million barrels last week to 298.7 million — below 300 million barrels for the first time since January 1983, when the reserve was still filling after its 1970s creation. [1] Washington is managing a six-month supply shock out of a stockpile last this thin before the Berlin Wall fell.

The weekend added fresh risk premium at both ends of the Arabian Peninsula. Iran-aligned Houthis struck Saudi Aramco's Jazan refinery on Sunday, and Aramco has postponed the restart of the 400,000-barrel-per-day facility to August 30 after two attacks in recent weeks, according to an industry alert seen by Reuters. [1] ADNOC disclosed Friday that fifteen of its vessels have been attacked while transiting the strait since the conflict began. [1] The attacks landed two days after Saudi Arabia signed a defense pact with Turkey and Pakistan — a Sunni bloc forming around a war its members did not start. [1]

Supply arrived from unexpected places too. Ukrainian strikes hit the Taneco refinery in Tatarstan and the ZapSibNeftekhim petrochemical complex in Tyumen over the same stretch, tightening global product balances from a second direction. [1] A trader hedging Gulf risk is now also pricing Russian refining capacity out of the market.

The structural story has not moved since the paper's Sunday edition recorded that owners still refused to send hulls into the passage. The strait carried roughly a fifth of the world's traded oil and LNG before the February fighting; it now moves a trickle under naval escort and Iranian threat. [2] Bank forecasts have settled into the new normal — ING holds Brent averaging $80 this quarter on gradual normalization while flagging that things "could go from bad to worse once again." [2] Bank of America's commodities chief put the arithmetic more bluntly: normal prices require roughly ten times the ship traffic the strait carries today. [2]

Here is the divergence the desks keep flattening. Trade X spent Monday treating the five percent print as the day's only fact, screenshotting candlesticks over photos of empty water. Mainstream coverage framed the jump as sentiment — hopes dimmed, doubts grown — as if the physical ledger were unchanged since Friday. It is not unchanged. The reserve crossed a forty-three-year floor, a flagship Saudi refinery slipped its restart by weeks, and fifteen Emirati hulls carry battle damage. Price moved on expectation, but expectation is now tracking the physical record downward.

A five percent print does not book a hull. What Monday actually priced was the discovery that neither capital wants the deal last week's tape assumed — and that the marginal barrel now comes from a reserve built for hurricanes, not blockades.

-- THEO KAPLAN, San Francisco