CHICAGO, Illinois (Agriculture.com)--The pre-opening prices for the CME Group grain commodities for Tuesday, November 23, 2010 are mostly lower. Corn is seen opening 1-2 cents lower, soybeans 1-2 cents lower and wheat down 1-2 cents. 

In overnight electronic trading, the March corn futures contract traded 3/4 of a cent lower at $5.28 1/2 per bushel. The Jan. soybean futures contract traded 2 cents higher at $12.23 1/2 per bushel. The Dec. wheat futures contract traded 1 1/4 cents lower at $6.44 1/4. For Dec soymeal futures, the contract traded $1.60 per short ton higher at $335.20, and Dec. soyoil down 0.24 at $48.94.

The outside markets are mildly supportive for Tuesday's grain trade. The real factors driving the mostly lower early calls are the mixed overnight markets.