OPEC+、12月の原油生産目標を据え置き　2027年はより厳しい判断へ

過去の中立な政策イベント187件の後、原油(WTI) は5営業日で中央値 -0.1% 動き（49% が上昇。中央50%は -4.0% から +3.5%）、20営業日では +0.1% 動きました。

• 2026/10/04OPEC+ agrees to keep November oil output targets steady+0.8%
• 2026/10/01OPEC+ agrees to keep November oil output targets steady-2.3%
• 2026/10/28Opec+ agrees in principle to keep oil output targets steady in December, sources say - The Business Times-2.1%
• 2026/01/04OPEC+ keeps oil output steady amid turmoil among members | Reuters+3.1%
• 2023/02/01OPEC+ keeps output steady amid uncertainty on China and Russia-2.2%

過去の中立な政策イベント175件の後、原油(ブレント) は5営業日で中央値 -0.9% 動き（45% が上昇。中央50%は -3.6% から +3.0%）、20営業日では +0.7% 動きました。

• 2026/10/04OPEC+ agrees to keep November oil output targets steady-0.9%
• 2026/10/01OPEC+ agrees to keep November oil output targets steady+2.6%
• 2026/10/28Opec+ agrees in principle to keep oil output targets steady in December, sources say - The Business Times-4.7%
• 2026/01/04OPEC+ keeps oil output steady amid turmoil among members | Reuters+4.7%
• 2023/02/01OPEC+ keeps output steady amid uncertainty on China and Russia-0.8%