../ AmexOptionsSymbolMapping.txt 19-Jan-2021 11:00 65294260 AmexOptionsSymbolMapping_cert.txt 18-Jan-2021 06:00 73483787 ArcaOptionsSymbolMapping.txt 19-Jan-2021 11:00 62382044 ArcaOptionsSymbolMapping_cert.txt 18-Jan-2021 06:00 69892154