Some ways to use Choice-Select spread.

Cutout represents carcass value The boxed beef cutout represents the estimated gross value of a beef carcass based on prices paid for individual parts of the carcass. An upper two-thirds and lower one-third Choice market allows retailers to offer Choice beef in their meat case that would have previously graded Select plus. Anything that shifts the supply or demand for either Choice or Select beef can impact the Choice-Select spread. [Extracted from the article]