Along with capturing the $542 bid
Trade Station charts:
You will see these types of extended candles throughout your charts. These are (clockwise from the top left) a 5 Min, 60 Min, Daily, Weekly chart. The same candle will appear on your 1 minute and the ToS 133k charts.
October 27th, 2011 - DTG - 7:46:08 - 1 Minutes, 6 Seconds, 450 Milliseconds - 114 Quotes, 36 Trades
Tick chart of trades and NBBO.
50 millisecond chart of bids and offers. Shaded area is NBBO. Nasdaq and CBOE offers led the prices higher. The other exchanges had 0 for offer prices, which may have caused an algo to misread the market. It's good to know they don't run tests during trading hours.
20 millisecond chart of trades (cicles), bids and offers (triangles). Shaded area is NBBO.