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PPG Industries has a Price of 118.37. PPG Industries Price (PPG) charts, historical data, comparisons and more.
Let's look at a simplified example of how PPI is calculated. Let's say we have an industry that has only one product, a Snarf. The industry reports information about the quantity of Snarfs they had on hand at the beginning of the period (2000), the original selling price ($2.00), and the ending selling price ($2.50).