Malaysian palm oil futures snapped a 15-week high streak on Monday, sliding more than 1% as a sharp drop in crude oil and weaker Chinese vegetable oil prices outweighed robust demand from the world's top buyer. The benchmark contract for October delivery closed at 4,673 ringgit ($1,144.50) per metric ton, down 49 ringgit, after hitting its highest level in nearly four months during the previous session. Main Developments Crude oil prices tumbled more than 5% on Monday after the U.S. and Iran paused strikes over the weekend, raising hopes of a diplomatic resolution that could allow shipping to resume through the Strait of Hormuz. That selloff made palm oil less attractive as a biodiesel feedstock, pressuring the vegetable oil complex. Dalian's most-active soyoil contract fell 1.42%, while its palm oil contract dropped 1.66%. On the Chicago Board of Trade, soyoil prices lost 2.17%, tracking the broader weakness in energy-linked commodities. Palm oil competes directly with these oils for market share in global vegetable oil trade. Read also: 3 catalysts behind Indian stocks' 1% rebound after 5-day slide Background The market had rallied to a 15-week high last week, driven by expectations of tighter supply from Indonesia—the world's largest palm oil producer—and optimism around its B50 biodiesel mandate, which could boost domestic consumption. El Niño-related weather risks also supported prices, as dry conditions threaten yields in Southeast Asia. Malaysian palm oil exports for July 1–25 rose between 8.1% and 15.9% from a month earlier, according to cargo surveyors, signaling sustained buying from China and other key importers. However, the Malaysian ringgit strengthened 0.12% against the dollar on Monday, making palm oil slightly more expensive for foreign buyers. Why It Matters The price pullback highlights palm oil's vulnerability to crude oil volatility, especially when geopolitical tensions ease. For consumers and food manufacturers, any sustained decline could lower edible oil costs, but the interplay of strong Chinese demand, Indonesian policy, and weather risks keeps the outlook uncertain. Investors and traders are watching whether the diplomatic thaw in the Middle East holds, as that would determine the trajectory of energy prices and, by extension, vegetable oil markets. A prolonged ceasefire could keep crude under pressure, capping palm oil's upside despite robust fundamentals. What's Next Markets will monitor cargo surveyor data for full-month July exports, due in the coming days, to gauge whether Chinese demand remains strong enough to absorb any supply tightness. The Indonesian government's progress on implementing the B50 biodiesel mandate and El Niño updates will also influence price direction.