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General Price Index-Internal Availability. Calculated by the Getúlio Vargas Foundation (FGV). It is a weighted average of the Wholesale Price Index (IPA-DI, 60%), the Consumer Price Index (IPC-DI, 30%) and the National Index of Construction Cost (INCC-DI, 10%). IGP-DI is collected between the first and the last day of the reference month.
To learn more about this and other price indices, see the Frequently Asked Questions about Price Indices (in English).