Brent fell more than $1 to below $92 a barrel and WTI fell more than $1 to below $86 on Thursday morning. The moves followed Russia-Ukraine talks in Abu Dhabi that produced a prisoner exchange.
Iran's security chief said no enriched nuclear material would leave the country.
Peace-talk optimism is pulling crude lower, which eases diesel and fertilizer costs for feed producers. The price link to soybean oil and corn via biofuels could weaken if the trend holds.
After 255 past bearish geopolitics events, Crude Oil (WTI) moved a median -2.4% over 5 sessions (31% higher; middle half -7.0% to +1.7%), and -5.0% over 20.
After 250 past bearish geopolitics events, Crude Oil (Brent) moved a median -3.1% over 5 sessions (36% higher; middle half -7.9% to +1.6%), and -5.5% 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.