Showing smoothed Price to Sales Ratio of Joy Global Inc with missing and latest data points interpolated. Price to Sales Ratio is figured by comparing Joy Global Inc stock price to its revenues. An advantage to using Price to Sales ratio is that it is based on Joy Global sales, a figure that is much harder to manipulate than other Joy Global Inc multiples. Because sales tend to be more stable P/S ratio can be a good tool for screening cyclical companies fluctuating earnings patterns. An alternative calculation method to [PS], that measures the ratio between a company's Adjusted Share Price and it's Sales per Share.