An impending change in the expiry dates for North Sea Brent crude oil futures could cause headaches for the many traders who play the price spread between the global benchmark and US crude. That's because Brent crude futures will soon start to expire much earlier. The move will lead to a much wider gap between Brent's rollover to a new front-month contract on the IntercontinentalExchange (ICE) in London and the corresponding monthly rollover for West Texas Intermediate (WTI) futures on the Nymex exchange in New York.
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