Oil prices settle up 4% despite big U.S. crude inventory build

過去の強気な地政学イベント626件の後、原油(WTI) は5営業日で中央値 +2.1% 動き（62% が上昇。中央50%は -2.3% から +8.5%）、20営業日では +1.6% 動きました。

• 2026/08/31Oil prices settle up more than $4 a barrel on renewed US-Iran fighting | Reuters+9.6%
• 2023/12/20Oil settles up on Red Sea tensions; gains capped by US stock builds | Reuters+1.3%
• 2026/03/10Oil settles up nearly 5% as supply fears mount despite record stocks release plan | Reuters-1.3%
• 2023/03/30Oil rises over 1% on Iraqi supply risks, U.S. crude draw | Reuters+10.6%
• 2026/01/12Oil prices settle at 7-week high on worries about Iran exports | Reuters+0.7%

過去の強気な地政学イベント656件の後、原油(ブレント) は5営業日で中央値 +1.9% 動き（63% が上昇。中央50%は -2.7% から +6.6%）、20営業日では +0.7% 動きました。

• 2026/08/31Oil prices settle up more than $4 a barrel on renewed US-Iran fighting | Reuters+10.8%
• 2023/12/20Oil settles up on Red Sea tensions; gains capped by US stock builds | Reuters+1.0%
• 2026/03/10Oil settles up nearly 5% as supply fears mount despite record stocks release plan | Reuters+4.1%
• 2023/03/30Oil rises over 1% on Iraqi supply risks, U.S. crude draw | Reuters+9.7%
• 2026/01/12Oil prices settle at 7-week high on worries about Iran exports | Reuters+2.0%