Soya futures on the Chicago Board of Trade turned higher and were trading around 4 to 6 cents up early on Thursday on call buying of options, talk of fund buying and on a big number for soya in USDA's weekly export sales report, traders said. At 10:20 am CDT (1520 GMT), CBOT soya was up 4 to 8 cents per bushel, with November up 4-3/4 at $9.42 per bushel.