How will the combined annual revenue of Alphabet, Amazon, Apple, Facebook, and Microsoft change over the next three years?
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Related question. We previously published versions of this question—asking about revenue over a six-month period—forecasting the first half of 2021 and the second half of 2021. You can view those forecasts here and here.
Data and resolution details. This question resolves based on the 10-Q filings of Alphabet Inc., Amazon.com Inc., Apple Inc., Facebook Inc., and Microsoft Inc. The historical and forecasted values are a four-quarter rolling sum. Forecasting for each six-month period ends halfway through the period.
The historical data underlying the graph is here.
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What are forecasters saying? Here is a periodically updated synopsis of forecaster rationales.
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