Group 1 - The main crude oil futures contract at the Shanghai International Energy Exchange experienced fluctuations and closed lower, with a decrease of 2.88% or 14.5 yuan, settling at 489.8 yuan [1] - Trading volume decreased to 97,489 contracts, while open interest increased by 1,148 contracts, reaching a total of 32,724 contracts [1] - Overnight, WTI crude oil futures also declined by 0.73%, closing at 63.88 USD per barrel [1]

Group 1 - The core viewpoint of the news is that the Shanghai International Energy Exchange's crude oil futures experienced a decline in both trading volume and open interest, indicating a bearish sentiment in the market [1] - The main contract for September 2025 settled at 503.7 yuan, down by 0.57% or 2.9 yuan, reflecting a downward trend in prices [1] - The trading volume for the day was reported at 128,828 contracts, while the open interest decreased by 290 contracts to a total of 36,294 contracts [1] Group 2 - Overnight, WTI crude oil futures also saw a decline, falling by 1.47% to settle at 66.21 USD per barrel, suggesting a broader trend in the oil market [1]

Group 1 - The main contract for crude oil futures at the Shanghai International Energy Exchange experienced fluctuations and closed lower, with a decrease in trading volume and open interest [1] - The main contract 2509 settled at 505.9 yuan, down 0.53% or 2.7 yuan, with a trading volume of 117,652 lots and open interest of 37,812 lots, reflecting a reduction of 2,159 lots in daily open interest [1] - On July 26, WTI crude oil futures also declined by 1.32%, closing at 65.16 USD per barrel [1]

Group 1 - The main contract for crude oil futures at the Shanghai International Energy Exchange experienced fluctuations and closed lower, with a price of 505.9 yuan, down 0.63% or 3.2 yuan [1] - Trading volume increased significantly, reaching 110,664 contracts, while open interest rose by 2,466 contracts to a total of 30,722 contracts [1] - Overnight, WTI crude oil futures also declined by 1.7%, settling at $65.16 per barrel [1]

隔夜，纽约商品交易所9月交割的西得州中质原油(WTI)合约上涨0.79美元，涨幅为1.1%，收于每桶70美 元。 中国经济网北京7月31日讯今日，上海国际能源交易中心日间盘原油期货主力合约震荡收高，成交下 降，持仓减少。主力2509合约收报531.3元，涨1.43%或7.5元;成交量为107487手;持仓为35066手，日盘 持仓减少2610手。 ...