Take a look at this:
Take note of the
volume bars, particularly the last 10 or so. They are showing >500 and even >1000 BTC of volume for each half-hour slot the graph depicts.
Now take a look at this:
This pic shows the actual volume as recorded by cryptocoincharts.org each hour. Way,
way lower.
Every time the volume at BTC-e takes a jump, the orderbook is flooded with hundreds of tiny transactions, like so:
Now, you tell me. Is this a bug? Is it manipulation to make it look like BTC-e has good volume?
Can we trust their volume bars?