Some currency pairs are not available
for calculating the indices.
:EURUSD:GBPUSD:AUDUSD:USDJPY:USDCHF:USDCAD:EURAUD:EURCAD:EURCHF:EURGBP:EURJPY:GBPJPY:GBPCHF:NZDUSD:AUDCAD:AUDJPY:CHFJPY:AUDNZD:NZDJPY:NZDCAD:NZDCHF:GBPNZD:EURNZD:GBPCAD:GBPAUD:AUDCHF:CADCHF:CADJPY
Calculation formula will be changed.