MarketGroup - Currencies (Electronic). Name, Symbol, Exchange, Sun Open, Open, Close. Australian Dollar, 6A, CME, 5:00 PM, 5:00 PM, 4:00 PM. Australian Our hours of operation coincide with the global financial markets. Instrument name, Currency, Max units per trade, MT4 lot size, Trading hours (GMT), Trading hours (local US SPX 500, USD, 800, 100, Sun-Thu: 23:00 - 21:14; 21:30 - 21: 59 Stocks, Trading Hours in GMT. Australian shares/ ETFs, Monday - Friday, 23:05 - 04:55. Austrian shares, Monday - Friday, 08:05 - 10:59, 11:04 - 16:24. Belgium