The finsym API can find company names within text and return their stock exchange symbols. The API can find full or partial company names, company symbols, and most nicknames (e.g., "Pepsi" for "Pepsico, Inc."). Currently, the API only covers companies listed on NYSE and NASDAQ, with plans in the near future to extend coverage for the London Stock Exchange as well as other exchanges.
At this time finsym is experimental and is currently in alpha-testing.
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