other times when some market participants are afraid
of more "monkey business" ( i.e. if there was a spike up or down in the price of silver a minute or two ago prior )
the spread can be alot wider than Oandas until
the market calms down
Screw all the other suggestions. Use nymexdata.cme.com . You can watch the live quotes for yourself and see the book and spreads for free for oil, nat gas, gold, silver and handful of others.