Perhaps you can elaborate on what you exactly found.
Exactly? Well I don't have the raw data from the mtgox stream for that time period if that's what you mean.
What I saw was the bid price go:
2013-06-21T07:01:32 $113.17302
2013-06-21T07:05:52 $2857.14285714286
2013-06-21T07:05:56 $6666.66666666667
2013-06-21T07:05:58 $12500
2013-06-21T07:06:04 $50000
2013-06-21T07:15:27 $113.01001
The main reason I'm not certain this is a bug in my code is that MtGox had just announced they were suspending withdrawal of USD. DId someone panic over the temporary suspension of USD and decide to convert a huge holding to BTC so they could get money out of MtGox to somewhere they could access it?
It happened again today -- unfortunately before I got around to adding total logging of the MtGox data stream:
2013-06-22T12:57:31 $107.76001
2013-06-22T13:07:44 $10000
2013-06-22T13:19:42 $107.53001