Raw sugar prices ended higher Friday on steady trade buying in the back months while the spot contract gyrated wildly before expiring at the close of business, brokers said.
The New York Board of Trade's July raw sugar contract climbed 0.16 cent to expire at 15.79 cents per lb, dealing from 15.42 to 16.20 cents.
The benchmark October contract rose 0.11 to 16.34 cents, trading between 16.21 and 16.41 cents. Back months increased 0.14 to 0.18 cent.
Volume before the close stood at 34,777 lots, against the previous 51,820 contracts. Call volume touched 6,604 lots and puts hit 6,464 lots. Open interest in the No 11 raw sugar market rose 738 lots to 428,562 lots as of June 29.