Coinspeaker OPEC Deal Failed: Oil Prices Crash Over 30% as Saudi Arabia and Russia Trigger Oil WarBrent crude has plunged nearly 31%, dropping to $31.02 per barrel with the year-to-date crude price dropping by 50%. The U.S. benchmark commodity is witnessing its worst day in almost the last three decades since January 17, 1991.OPEC Deal Failed: Oil Prices Crash Over 30% as Saudi Arabia and Russia Trigger Oil War