CHICAGO, June 9 (Reuters) - Basis bids for soybeans delivered by barge to U.S. Gulf Coast terminals eased and corn bids firmed on Monday, as traders kept a close eye for news out of trade talks between the U.S. and China, traders said.
Top U.S. and Chinese officials were meeting in London on Monday for talks aimed at defusing the high-stakes trade dispute that has widened in recent weeks beyond tit-for-tat tariffs.
Chinese buyers have been in the market in recent days for South American soybeans, traders said.
The U.S. Department of Agriculture on Monday reported weekly export inspections of U.S. corn in the latest week at 1,656,562 metric tons, topping a range of trade expectations for 1,000,000 to 1,600,000 tons.
USDA also reported weekly export inspections of U.S. soybeans of 547,040 tons, exceeding trade expectations.
Brazil's key center-south region had harvested 1.9% of its 2025 second corn crop as of last Thursday, agribusiness consultancy AgRural said on Monday, the lowest level for this time of year since 2021.
Recent rains in the central U.S. could help boost river levels ahead of forecasts of extreme temperatures for later in the month, meteorologists and traders said.
Volatility in the Chicago soybean futures market on Monday was driven in part by market participants seeking profits and adjusting their positions as part of the so-called Goldman roll, traders said.
CIF soybean barges loaded in June were bid at 69 cents over Chicago Board of Trade July SN25 futures, down 1 cent. Deferred months ticked higher.
July soybean loadings traded at 76 cents over July futures.
FOB export premiums for soybeans loaded from the Gulf in June were offered at about 78 cents over July futures, which were unchanged.
For corn, CIF barges loaded in June were bid at 66 cents over CBOT July corn futures CN25, up 1 cent.
FOB export premiums for corn shipped from the Gulf in June were steady at about 82 cents over CBOT July corn futures.
For displays of CIF basis, click on the codes in brackets: U.S. CIF Gulf soybeans GRYM U.S. CIF Gulf corn GRYN U.S. CIF Gulf SRW wheat GRYO U.S. CIF Gulf HRW wheat GRYP
For displays of FOB basis, please click on the following codes in brackets: U.S. FOB Gulf corn GRZC U.S. FOB Gulf soybeans GRZD U.S. FOB Gulf SRW wheat GRZE U.S. FOB Gulf HRW wheat GRZF LINKS Corn prices page: cpurl://apps.cp./cms/?pageid=corn-cash-market
Wheat prices page: cpurl://apps.cp./cms/?pageid=wheat-cash-market
U.S. barge freight BG/US
U.S. export sales estimates USDA/EST
U.S. grain export summary GRA/U
Brazil soybean export prices SYBS
Brazil corn export prices SYBX
Argentina grain prices GRA/ARG
Russia grain prices GRA/RU