The Energy complex Crack Spread generally will be in 3 ratios. The 2-1-1, the 3-2-1, and the 5-3-2. To calculate the gross cracking margin, one converts the products to dollars per barrel. The prices used for the examples are:
July WTI - CL = 91.15
July RB = 2.8317
July HO = 2.8343...