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How can I can convert ticker symbols (which include information on the exchange) to an International Securities Identification Number (ISIN) (which contains no information on the exchange)?

Also I am interested in the other way round -- given an ISIN and a market identification code (MIC) how can I determine the ticker symbol?

Any databases around?

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up vote 2 down vote accepted

There is no simple way to convert an ISIN into a stock ticker symbol. The only way to even attempt to do so is to map the ISIN to a CUSIP or SEDOL or other national identifier and then map that identifier to a stock ticker symbol.

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