Futures contracts of crude palm oil on Bursa Malaysia Derivatives traded lower as the ringgit strengthened against the dollar. A strong ringgit makes the commodity expensive for buyers holding other currencies. The most-active December contract of crude palm oil on the Malaysian bourse was at 2,222 ringgits (39,438 rupees) per tn, down 8 ringgits from the previous close. Weakness in soyoil futures on CBOT also weighed on the prices of crude palm oil. Soyoil and crude palm oil typically move in tandem, as they are used as substitutes for each other.