Nothing uncommon....there is a buy and sell rate....its like that all the time.
http://www.oanda.com/currency/converter/
http://www.bloomberg.com/markets/currencies/
I have been banned from there 8 times now..... the last time I asked where the "special punch" was that I needed to drink to join there cult!!! needless to say, my name over there now is CULTLEADER.