美豆油价格窄幅震荡 7月29日阿根廷豆油（8月船期）C&F价格持平

Group 1 - The core viewpoint of the news is the fluctuation of soybean oil futures prices on the Chicago Board of Trade (CBOT), with a slight decline observed in recent trading sessions [1][2] - On July 30, soybean oil futures opened at 56.73 cents per pound and currently stand at 56.69 cents per pound, reflecting a decrease of 0.07% [1] - The trading range for soybean oil futures on July 30 reached a high of 56.80 cents per pound and a low of 56.52 cents per pound [1] Group 2 - On July 29, soybean oil futures closed at 56.60 cents per pound, with a trading increase of 1.27% from the previous day [2] - The C&F price for Argentine soybean oil for August shipment remained stable at $1,183 per ton, while the price for October shipment also held steady at $1,140 per ton [2] - As of July 25, the commercial inventory of soybean oil in key regions of the country was reported at 1.0881 million tons, showing a week-on-week decrease of 0.34% [2] - On July 29, the transaction volume of first-grade soybean oil reached 48,000 tons, which is an increase of 152.63% compared to the previous trading day [2]