Live order board

Buy and sell at current market prices What is the order board?
8 of 31 markets
Currency Bullion Best bids : SELL BUY : Best offers
$ Dollars Gold: Zurich
$ Dollars Gold: New York
$ Dollars Gold: Toronto
$ Dollars Gold: Singapore
$ Dollars Silver: Zurich
$ Dollars Silver: Toronto
$ Dollars Silver: Singapore
$ Dollars Platinum: London