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Questions about handling, obtaining, generating, or analyzing all types of financial or economic data. Please use a more accurate tag if possible; for instance: tick-data, fundamentals, market-data, option-data, ticker-mapping, etc.

12 votes
2 answers
4k views

Why don't data sources use ISIN instead of symbol?

Up until I found some data from Siblis Research, none of the other data sources used the ISIN. … I've bought data from QuantQuote and CBOE, used free data sources from Yahoo, AlphaVantage, etc., and Siblis is the first that I have found that uses the ISIN instead of the symbol...and I can't figure …
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