Oil plunged the most in more than a year as early signals that demand is flagging exacerbated markets' unease over the prospect of a punishing stretch of high interest rates.
Oil edged higher after a volatile session where traders weighed tightness in the physical market against macroeconomic concerns that are clouding the outlook for demand.
Oil fell, with the US benchmark tumbling below $90 a barrel, as worries about further interest rate increases and a slowdown in the economy roiled broader markets.
Oil posted its largest quarterly rally since the initial jolt from the war in Ukraine as lower Russian fuel exports threaten to further tighten a market wrestling with OPEC+ production cuts.