Google domestic trends data by Tom Huggens, 187 days ago

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This item downloads historical time-series data for the Google indexes. These indexes track the search traffic across specific sectors of the economy.

Here is a list of the Sectors that are tracked by the 'Google Domestic Trends': Advertising & Marketing, Air travel, Auto buyers, Auto financing, Automotive, Banking & personal finance, Business, Computer & electronics, Construction, Credit & lending, Durable goods, Finance & insurance, Furniture, Industries, Investing, Jobs, Luxury goods, Mortgage, Real estate, Rental, Retail trade, Travel, Unemployment... In total, there are 23 indexes.

For each sector, Google compiles a list of keywords and then reports a value that indicates the relative volume of search traffic of these keywords. The downloaded data starts on January 1, 2004. The index is set to 1.0 on that date. A value of 2.0 indicates that the search volume has doubled since January 1, 2004.

These time-series data may be used to create trading rules regarding specific sectors, to create market-timing systems, to use as input for a neural network model...

You have to download the symbols list before using this downloader. The list of symbols can be found here (Google domestic trends indexes).