On November 9, the U.S. WTI crude oil futures market prices rose sharply, with the settlement price of main contracts at $40.29/barrel, up $3.15 or 8.48%. Brent crude oil futures market prices rose sharply, with the settlement price of main contracts at 42.40 US dollars / barrel, up 2.95 US dollars or 7.48%. Oil prices surged on Monday, the biggest one-day gain in nearly five months, after Pfizer announced a major breakthrough in its new crown vaccine, which the company said could prevent 90% of infections. In addition, the Saudi energy minister said at a meeting on Monday that OPEC + could adjust its production reduction agreement if an agreement was reached, which also pushed up oil prices.