In episode 48 of the Sparta Market Outlook Podcast, host Rachel Williams and analysts Jorge, James, and Phil dissect a volatile week in global oil markets. They explore OPEC+'s decision to increase output amid low global inventories, the persistent tightness in diesel markets, and a shifting landscape for gasoline and naphtha. The team delves into the impacts of crude quality, U.S. tariff delays, and renewed Houthi attacks in the Red Sea, offering traders actionable insights to navigate these complex market dynamics.

Key Points:

• OPEC+ Output Hike: How will the return of medium and heavy sour crude impact global supply chains?


• Diesel Market Tightness: What’s driving the dramatic rise in ICE gasoil spreads, and is a ceiling in sight?


• Gasoline’s Roller Coaster: Why have European gasoline spreads hit a potential peak?


• Naphtha’s Rebound: Are we seeing a balanced market, or is more volatility ahead?


• Tariff and Geopolitical Risks: How could delayed U.S. tariffs and Red Sea disruptions reshape trade flows?

(02:08 ) OPEC+ Output Boost and Crude Quality

Phil breaks down OPEC+’s decision to raise production, highlighting the role of low inventories and the return of medium and heavy sour crude to the market.

(03:35 ) U.S. Supply Revisions and EIA Insights

The team discusses downward revisions in U.S. supply estimates and EIA data confirming crude builds and tight diesel inventories in PADD 1 and 2.

(07:18 ) Diesel Drama: ICE Gasoil Surge

James unpacks the sharp rise in ICE gasoil spreads, exploring whether pricing reflects fundamentals or signals potential relief from global flows.

(11:30 ) Asian Diesel Flows and Houthi Risks

The discussion shifts to Middle Eastern diesel arbitrage opportunities and the uncertainties posed by renewed Houthi attacks in the Red Sea.

(14:45 ) Gasoline’s Shifting Outlook

Phil analyzes the rapid bearish turn in European gasoline spreads, driven by competitive pressures from Asia and West Africa’s Dangote supply.



(17:42 ) Naphtha’s Recovery Signals

Jorge examines the move to backwardation in European naphtha markets and the factors supporting a more balanced global outlook.

(21:45 ) Physical Crude Market Dynamics

Phil dives into the competitive pricing of Saudi and Iraqi grades, premium demands for medium and heavy crudes, and potential tariff impacts.

(26:27 ) Looking Ahead: Key Market Focus

The team recaps their outlooks, from diesel’s bearish signals to naphtha’s fundamentals and the critical role of heavy crude flows into Europe.