An index is a number that provides insights into changes in a value. In PriceShape is used to indicate changes in the data/prices for a period of time. It is derived from the data collected from the vendors.

You can use the index to benchmark and measure performance.

In PriceShape, you are always indexed 100, so if the index is 122, it means the cheapest/average vendors are 22% more expensive than you.

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