Here is the exact same data and same time period but in a 15 minute chart. The data is identical but notice how choppy price has become in the minute increment chart. Clarity comes from how we view price movement.
<img src=http://elitetrader.com/vb/attachment.php?s=&postid=2194591 width=800>
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<img src=http://elitetrader.com/vb/attachment.php?s=&postid=2194591 width=800>
click on attachment link to enlarge image
