Oil prices posted their strongest opening to a year since 2014 on Tuesday, with crude rising to mid-2015 highs amid large anti-government rallies in Iran and ongoing supply cuts led by OPEC and Russia. U.S. West Texas Intermediate (WTI) crude futures traded flat at around $60.40 by 1200 GMT after hitting $60.74 earlier in the day, their highest since June 2015. Brent crude futures, the international benchmark, were also flat at around $66.80 after hitting a May 2015 high of $67.29 a barrel earlier in the day.