OPEC supply restraint has tightened the market for medium sour crude, with Mars grades holding about a $3.50 Brent differential while light sweet US Gulf crude has weakened. Growing medium and heavy sour flows are moving to Asia from Latin America and the US.
Tighter medium sour supply supports crude prices for refiners in some grades, raising energy costs across the feed chain. The impact on the broad benchmark is more indirect.
After 323 past bullish macro events, Crude Oil (Brent) moved a median +0.7% over 5 sessions (58% higher; middle half -2.9% to +3.7%), and +1.3% over 20.
After 102 past neutral macro events, Crude Oil (WTI) moved a median -0.1% over 5 sessions (49% higher; middle half -3.3% to +2.5%), and +1.8% over 20.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.