The EIA explains that crude supply disruptions, whether realized or expected, can move oil prices sharply and immediately. It uses the September 2019 Saudi Aramco attacks and the January 2020 military operations in Iraq as examples.
Brent's price path differed because the Iraq operations did not disrupt supply.
The piece clarifies that geopolitical risk premiums fade quickly when supply is not actually lost. Buyers should expect energy prices to react sharply to headlines but revert if physical flows hold.
After 362 past report events, Crude Oil (WTI) moved a median -0.3% over 5 sessions (48% higher; middle half -3.7% to +2.6%), and +1.1% over 20.
After 41 past neutral report events, Crude Oil (Brent) moved a median -1.4% over 5 sessions (41% higher; middle half -4.0% to +1.9%), 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.