Author: Zhao Ying, Wall Street News
The escalating U.S.-Iran conflict is profoundly reshaping the global crude oil market landscape. Hedge funds are placing massive bets on Brent crude rising at the fastest pace in nearly a decade, with disruptions to Hormuz Strait transit and tightening fuel supplies driving both oil prices and refining margins sharply higher.
According to Bloomberg, in the week ending July 14, asset management firms increased their net long positions in Brent crude by 75,996 contracts to 357,154 contracts, marking the largest weekly increase since December 2016, with overall holdings rebounding sharply from a seven-month low hit the previous week. Concurrently, crude oil prices have surged to a roughly one-month high over the past 10 days, following a cumulative drop of about 30% in the second quarter.
The direct catalyst for this round of positioning is the U.S. resumption of military strikes against Iran. Iran subsequently launched retaliatory strikes against Gulf neighbors and conducted maritime attacks on vessels transiting the Strait of Hormuz, severely constraining traffic through this critical chokepoint. Investor sentiment reversed sharply within just one week—shifting from prior worries about oversupply to a scramble to cover short positions.
Rapid Position Reversal, Bulls Return to Market
The intensity of hedge funds' positioning this time is extremely rare historically. According to Bloomberg, citing ICE Europe weekly futures and options data, the weekly increase in Brent crude long positions was the largest since December 2016, pulling overall holdings back from a seven-month low.
This shift reflects violent swings in market sentiment. Just a week earlier, investors were still anxious about potential oversupply; but as the U.S. renewed strikes against Iran, the market pivoted rapidly, with short-covering becoming the dominant force, driving a rapid accumulation of long positions.
Hormuz Disrupted, Fuel Margins Hit Record Highs
The conflict's impact on the global fuel market is also significant. Iran's attacks on vessels transiting the Strait of Hormuz have substantially reduced traffic through this passageway over the past 10 days, thereby tightening global supplies of refined products like diesel and gasoline, pushing global refining margins to record highs.
According to Bloomberg data, funds also increased their net long positions in NYMEX heating oil by 1,868 contracts, raising total holdings to 36,451 contracts, the highest level since the initial outbreak of war with Iran in March. The weekly increase in Nymex diesel net long positions also marked the largest gain since before the war erupted in February.
Russia's Exports Plunge, Adding to Supply Pressures
Tightness in the fuel market isn't solely due to Middle East tensions. According to Bloomberg, months of Ukrainian attacks on Russian refineries have led to a sharp decline in Russia's refined product exports, prompting Moscow to announce a ban on diesel exports, further exacerbating the tightening supply situation for global fuels.
The combination of these two supply shocks has placed particular pressure on the global diesel market, which also helps explain why refining margins have surged to historic highs in a short period and continue to attract capital inflows into related long positions.
