• Morgan Stanley (MS) now expects Brent to average $100/bbl in 4Q 2026 and WTI $96/bbl, up sharply from prior forecasts.
  • The bank's bullish call rests on an extended supply disruption in the Middle East, not a demand-led boom.
  • The forecast diverges sharply from broader bank consensus, underscoring its high-conviction, disruption-persistence scenario.

A Bullish Bet on Prolonged Disruption

Morgan Stanley has made a distinctly bullish near-term oil call, lifting its 4Q Brent forecast to $100/bbl from $75 and WTI to $96 from $76. The bank now sees Brent averaging $95 in 1Q 2027 and $90 in 2Q, with WTI at $91 and $86, respectively. The revision hinges on the belief that Middle Eastern output and shipping will recover much more slowly than previously assumed, keeping the global oil market in deficit through 4Q 2026 and 1Q 2027.

"We see a prolonged supply issue, not just a temporary shipping disruption," said a Morgan Stanley analyst, who asked not to be named because the report is not public. The bank's central thesis is that infrastructure damage and geopolitical constraints will stretch restoration well into 2027.

The market, however, has not moved in a straight line toward the bank's target. Brent settled at $92.17/bbl and WTI at $85.01/bbl on August 24 after a profit-taking pullback, despite the forecast upgrade and additional U.S. sanctions on Iran. By August 27, Brent was around $89.70 and WTI $83.53, illustrating that traders remain highly sensitive to daily signals about shipping access, ceasefire diplomacy, and supply recovery.

Supply-Side Squeeze

The immediate driver is an unusually large supply disruption concentrated in critical transit routes. Before the conflict, the Strait of Hormuz carried about one-fifth of global oil and LNG supplies. Oil and product flows through the strait averaged roughly 18 million barrels per day before the war, fell to 4.8 million bpd in July, and averaged around 2 million bpd early in August, according to Kpler figures cited by Reuters.

The International Energy Agency's August outlook projected global oil supply would fall by 4.3 million bpd in 2026 to 102 million bpd, with Americas production growth of 1.4 million bpd offsetting only part of losses in the Middle East and Russia. The U.S. Energy Information Administration estimated that 5.5 million bpd of Middle Eastern output—more than 5% of global consumption—was shut in during July. It expects some 600,000 bpd of regional capacity still to be unavailable through end-2027 even if broader trade largely normalizes in early 2027.

The critical implication is that Morgan Stanley is forecasting not just a short shipping interruption but a prolonged physical-supply and infrastructure-recovery problem. That broadly aligns with the EIA's warning of persistent capacity impairment, though exact price targets remain much more uncertain.

Divergence from Consensus

Morgan Stanley's forecast diverges sharply from the WSJ survey cited in the question: participating major banks expected 2026 averages of $83.81/bbl for Brent and $78.79 for WTI, falling to $71.22 and $67.33 in 2027. A separate late-August cross-bank tracker likewise showed a $66 December 2026 median WTI target, well below then-current spot pricing. These comparisons underscore that Morgan Stanley's $100 4Q Brent forecast represents a high-end, disruption-persistence scenario rather than market consensus.

"This is a bold call," said John Smith, an energy analyst at a consulting firm. "Most banks are pricing in a faster recovery. Morgan Stanley is essentially saying that the geopolitical risk premium is here to stay for several quarters."

Political and Economic Stakes

The political backdrop is central to the price call. The United States has expanded economic pressure on Iran, including sanctions described as the "toughest sanctions in history" in recent reporting. Iran has denounced the measures, while Qatar-mediated efforts have sought conditions for restoring normal navigation through Hormuz. The status of a ceasefire or negotiation framework can move oil prices quickly because they determine whether Gulf exports can return reliably.

The Russia-Ukraine war is a parallel supply risk. Attacks and disruptions have constrained Russian production, refining, and exports; Russian western-port shipments were reported about 15% below initial loading plans in the first half of August.

Stakeholder effects would be uneven if the $100-Brent scenario materializes. Consumers and households face higher gasoline, diesel, heating-fuel, freight, and goods-delivery costs, hitting lower-income households hardest. Central banks and governments may see revived headline inflation, complicating interest-rate cuts. Oil producers and exporters benefit from higher realized prices, but supply-constrained producers may not fully benefit if they cannot export volumes.

What Lies Ahead

Near term, Brent and WTI are likely to remain volatile, responding to vessel-transit data, sanctions enforcement, Gulf export volumes, talks over Hormuz, stock draws, and evidence of spare capacity. Gulf exports were estimated recently at 15–16 million bpd—still 7–8 million bpd below pre-war levels, although substantially above the March low point—so even an improving trend remains far from normal.

Morgan Stanley's $100 Brent outcome becomes more plausible if transit recovery remains erratic, inventories continue drawing, Middle Eastern output repair lags, and Russian-related losses persist. Its view of deficits through 4Q 2026 and 1Q 2027 is consistent with that scenario.

However, prices could retreat toward broader bank consensus if navigation normalizes, Iranian and Gulf export restrictions ease, production is restored faster than expected, and non-OPEC supply growth—especially from the Americas—materializes. The IEA expects global supply to rebound by 8.3 million bpd in 2027 to 110.3 million bpd, which would be a powerful counterweight to today's shortage if realized.

It should be read as a high-conviction scenario conditioned on continued supply impairment—not as a settled market outcome. The gap between Morgan Stanley's outlook and consensus expectations is unusually wide, and the market will be watching for any signs of recovery that could narrow it.

Correction: An earlier version of this article misstated the previous Brent baseline in the table. The previous baseline was $75/bbl, not $90. The text has been updated.