The below ratio statistics identify the inner workings of star power, often revealing undervalued performers and new rising stars. The BO (Box Office) Quotient provides a proximal indication of the average revenues impact of promotional moneys spent on a marquee star’s pictures. The GO (Gross-to-Opening) Ratio measures the average volume of ongoing business, or “legs,” for a star’s pictures. Art market stars tend to build higher GO Ratios owing to the nature of platform release patterns. Still, these ratios provide an alternative look at marquee strength by deemphasizing the marketing impact of high concept.