Worried that the global epidemic will impact the economy, inhibit economic growth and oil demand recovery, and international oil prices will fall back. However, China's economic data continued to improve and the decline in oil prices was limited. On Tuesday (June 30), the settlement price of West Texas light crude oil in August 2020 on the New York Mercantile futures exchange was $39.27 per barrel, down $0.43 per barrel, or 1.1%, from the previous trading day, with a trading range of 38.85-40.08 dollars per barrel. London ice Brent crude oil futures settlement price in August 2020 was 41.15 US dollars per barrel, down 0.56 US dollars / barrel, or 1.3% compared with the previous trading day, with the trading range of 40.90-41.62 US dollars / barrel.