Commodities in the Crossfire
How the Iran war reshaped oil prices, market positioning and commodity fund performance through April 2026.
April was a whiplash month for commodities as the US–Israel war with Iran moved into its second phase. Brent had ripped from around $72 in late February to a peak near $120 in March, with the month gaining roughly 51% — one of the largest one-month surges on record. April's price action was driven less by fresh escalation and more by the on-again, off-again status of the Strait of Hormuz.
The April Pivot
The pivot came on April 7–8, when President Trump announced a two-week US–Iran ceasefire and crude began to retrace. Iran's foreign minister declared the Strait fully open to commercial traffic on April 17, sending prices down more than 10%, only for the move to reverse three days later after the US Navy seized an Iranian container ship and Tehran reimposed tighter control within hours of reopening the waterway. By mid-month Brent had settled around $94 as US–Iran talks moved to Pakistan, but the supply picture remained dire: loadings through Hormuz were averaging roughly 3.8 mb/d in early April, versus more than 20 mb/d pre-crisis, with the overall loss in oil exports exceeding 13 mb/d.
Positioning and Volatility
The ceasefire rally looked technically driven. Broker-dealers reported large short-covering moves around the truce announcement, following a buildup of hedge-fund short positioning — the kind of move that prints sharply on the tape but doesn't resolve the underlying setup. Adding to the noise, two suspicious short blocks of roughly $950m on April 7 and $750m on April 17 were placed shortly before the ceasefire announcement and Iran's Strait-reopening statement respectively, raising questions about information leakage.
The futures curve stayed in deep backwardation, with front-month prices reflecting acute scarcity while deferred contracts priced a normalisation few participants were willing to actually own. Equity–bond correlation flipped uncomfortably positive as stagflation fears resurfaced, eroding the diversification benefit fixed income has traditionally provided in balanced portfolios.
Fund Performance
The setup was a windfall for broad commodity exposure. The Bloomberg Commodity Index (BCOM) closed Q1 up 24%, with the BCOM Energy sub-index up 63% — the largest quarterly move since 1990 — and the rally extended into April even as crude pulled back, supported by metals and agriculture. Levered single-commodity vehicles produced the eye-catching headline returns: ProShares Ultra Bloomberg Crude Oil (UCO) is up roughly 130% year to date, and the Breakwave Tanker Shipping ETF (BWET) has surged more than 600% since the start of the year as freight rates repriced for re-routed flows around the Strait.
The diversification case has rarely been clearer. A typical 60/40 portfolio would have posted a loss of around 3.6% from the start of the conflict through end-March; adding just a 5% commodities sleeve flipped that to a small gain of nearly 1%. For multi-asset investors who had trimmed commodity exposure during the disinflation of 2024–25, the episode is a reminder that the asset class earns its keep precisely when the rest of the book is under stress.
Looking Through, or Looking Again?
The honest read is that April's retracement is positioning, not resolution. The IEA now expects global oil demand to contract by 80 kb/d on average in 2026, with a Q2 drop of about 1.5 mb/d — the sharpest since Covid. Until Hormuz throughput normalises, headline-driven volatility stays the dominant regime, and central banks face an awkward trade-off between inflation that may prove sticky and growth that is visibly slowing.
For allocators, the implication is not necessarily to chase the energy beta but to size commodity exposure as a strategic, not tactical, position. Geopolitical risk is increasingly a structural feature of the investment landscape, and the assets that monetise it — broad commodity indices, energy infrastructure, tangible-economy plays — deserve a permanent seat at the table.
Sources
- CNBC — "A timeline of how the Iran war shook oil prices — and what comes next" (April 2026). cnbc.com
- International Energy Agency — "Oil Market Report — April 2026". iea.org
- Bloomberg Professional Services — "What the US-Iran war means for commodity markets and portfolios" (April 2026). bloomberg.com
- Charles Schwab — "Iran War: Ceasefire Offers Relief, Not Resolution" (April 2026). schwab.com
- Morgan Stanley — "Commodities Outlook 2026: Resilience Through Market Volatility". morganstanley.com
- CNBC — "This little-known ETF is up over 600% amid U.S.-Iran war" (April 2026). cnbc.com
- 24/7 Wall St. — "Up 130% YTD, This ETF Can Double Again as Iran War Has No End in Sight" (May 2026). 247wallst.com
- Federal Reserve Bank of Minneapolis — "How long can we 'look through' the Iran war commodity shock?" (May 2026). minneapolisfed.org