Generally speaking, the trend of domestic oil prices will change with the fluctuation of international crude oil prices. The K-line chart of crude oil price trend can be viewed by searching the price charts of WTI crude oil and Brent crude oil in the United States in the browser:

With China's increasing emphasis on energy independence and security, crude oil futures began trading in Shanghai International Energy Exchange Center on March 26th, 20 18, so the K-line chart of crude oil futures can also be found in the trading varieties of Shanghai Futures Exchange through the domestic futures platform. The K-line trend of domestic crude oil futures is basically the same as that of the international market, but because the trading volume of domestic crude oil futures is still relatively small and the price is not enough to be fully traded, the price sometimes deviates from that of international crude oil, which is also related to the operation of the main funds in the market.