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Generally the symbology should be <exchange mnemonic>:<ticker symbol> for Google and <ticker symbol>.<exchange letter> for Reuters. You will have to manually find the list of exchange mnemonics for each. Note that till recently NYSE and NASDAQ had an agreement for one to use 3-letter tickers and the other 4-letter tickers to help ...


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Each vendor has their own symbology universe and each exchange, market, or country may have their own standard identifiers. To date the majority of identifiers have also been dynamic, i.e. when a company renames, merges, relocates, the identifier may change. Some symbology systems operate on different levels of granularity whereby prices can be filtered to ...



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