Chinanews.com client, April 21 (Zhang Xu) Following the historic decline of the May WTI crude oil futures contract on May 20 to a negative value, international oil prices staged a roller coaster market on the 21st. On the 21st, Beijing time, the international oil price suddenly fell sharply, turning from a sharp rise to a sharp fall. Intraday investors once again plunged into a frantic sell-off, with oil prices constantly setting new lows.

  As of press time, the June Brent crude oil futures contract fell more than 20%, a new low since 2002, fell below the $ 20 mark, the lowest reported 19.19 US dollars / barrel; the main US WTI crude oil futures contract fell more than 20%, fell below The $ 17 mark marks a new low since November 2001 to $ 16 per barrel. Before the diving, the June Brent crude oil futures contract rose by more than 3%, and the US WTI crude oil futures together rose more than 9%.

  Analysis believes that if crude oil demand shows no signs of improvement before mid-May, the June contract of WTI crude oil futures may face the same fate as the May contract.