WTI vs WCS data for July 2016 and past 10 years
Price per barrel of WCS oil in US dollars (from here)
PUBLISHED – Aug 8, 2016
The West Texas Intermediate (WTI) price of oil, often a world reference price quoted in the media, averaged US$48.84 a barrel in June 2016, 18.4% lower than it was a year earlier. Western Canada Select (WCS), the price obtained for many Alberta producers for oil, was down from US$51.29 in June 2015 to US$36.47 in June 2016, a fall of 28.9%. However, it was up US$3.95 from May. The June price differential of WTI over WCS was US$12.37.