
Python for Algorithmic Trading Cookbook
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The Comma-Separated Values (CSV) format is one of the most universally recognized and utilized methods for storing data. Its simplicity makes it a favored choice for traders and analysts looking to store tabular data without the overhead of more complex systems. Algorithmic traders often gravitate toward CSV when dealing with data that requires straightforward import and export operations, especially given the ease with which Python and its libraries, such as pandas, handle CSV files. Further, data in CSV format can be used with other analytics tools such as Tableau, PowerBI, or proprietary systems. Manually inspecting CSV files is also possible using a text editor or Excel. CSV does not have the same speed or sophistication as other storage methods, but its ease of use makes it important in all trading environments.
Since pandas supports writing data to CSV, there are no special libraries required: