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Weekend Market Note: Hormuz Blockade

Weekend Market Note: Hormuz Blockade

From Shaunda Devens, republished on 0xArchive. Read the original thread.

TradeXYZ saw its most consequential weekend session since the U.S.–Iran conflict began, with $3B in volume as traders navigated promising yet ultimately unsuccessful peace talks.

Given the geopolitical backdrop, the move remained overwhelmingly oil-driven, with Crude Oil (up +4.48%) and Brent (up +5.69%) accounting for 70% of total volumes. Still, reactions in adjacent sectors impacted by the prolongation of the conflict were visible in both volume and performance.

Weekend market heatmap
Weekend market heatmap

Going into the open, the equity complex dropped (vol-weighted index saw a drawdown of −2.44%), with significant participation as equities saw 111% of their average weekday volume traded.

Weekend volume concentrated in crude
Weekend volume concentrated in crude

Weekend Uncertainty

Going into the weekend session, traders speculated on high-stakes U.S.-Iran talks in Islamabad. Reuters reported the U.S. team was arriving with low expectations, skeptical that diplomacy would quickly reopen the waterway. Early Saturday, however, confirmation that three supertankers had exited Hormuz (the first since the ceasefire), followed by reports that U.S. warships were transiting to clear mines, sparked a brief risk-on move. Traders priced in potential de-escalation, sending WTI down as much as −4.36% to $88.91. Risk assets responded, with the SP500 +0.58% at the crude lows and the top equity basket modestly higher.

However, the move remained short lived. On Saturday evening, the 21-hour talks had collapsed, with Vice President Vance departing without a deal amid deadlock over Iran’s nuclear program and control of the strait. Trump immediately announced the U.S. Navy would begin blockading Hormuz, threatening to interdict vessels paying Iranian tolls and destroy remaining mines in the waterway. Markets reacted, and the weekend moves that had previously priced in de-escalations ripped from the lows, WTI ripped +9.25% and Brent +10.12%, while risk assets crashed. Equities that had previously experienced strength finished −2.44% on a volume-weighted basis (SP500 −1.90%, XYZ100 −1.84%) with breadth collapsing to just 5 markets up and 40 down.

Crude and equity reaction chart
Crude and equity reaction chart

Currently, the average equity is already pricing 178% of its typical opening move, overwhelmingly to the downside, with 20 of 21 equity markets projected to open lower than Friday's close. Given TradeXYZ's historic accuracy pricing the open, traders should be positioned for a violent move lower in equities at the cash reopening, while crude continues to gap up.

For realtime information: weekendmarkets.xyz

WeekendMarkets real-time update link referenced by the original note.
WeekendMarkets real-time update link referenced by the original note.

Credit: Shaunda Devens, originally published April 12, 2026. Original thread.