Grades mixed on second day of volatile roll trade period

On the second day of the volatile roll trading period, U.S. crude grades showed mixed results. Prices for rolling U.S. crude oil futures from November to December averaged 80 cents a barrel. The spread between WTI and Brent widened, making U.S. grades more appealing to foreign buyers. Light Louisiana Sweet rose 10 cents to a $1.63 premium, while Mars Sour fell 5 cents to a $1.50 discount. WTI December futures increased by $3.29 to settle at $61.79 a barrel, with the Brent/WTI spread widening to minus $4.15.