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adding rfa to tags
No. To convert ISIN to RIC you need access to reference data, which RFA does not provide. You need a product that provides reference data such as for example Datascope Select.
Need RIC value for the KOSPI 200
RFA .NET excessive memory usage when subscribing to thousands of RIC codes
Update several RICS with one OmmConsumer.Submit()
RIC deletion using C# .NET
Help with fields for new RicCodes