namespace,symbol,currency,updater,updater_symbol,ledger_symbol,ib_symbol,remarks
CURRENCY,AUD,EUR,fixerio,,,,a currency
AMS,VHYL,EUR,yahoo_finance,,VHYL_AS,,
XETRA,EL4X,EUR,yahoo_finance,,EL4X_DE,,ETF
VANGUARD,HY,AUD,vanguard_au,,,,