I'm using that within a chart with 2 axis, displayed the same way as a quotes/volumes chart.
And I've figured out that candlestick and ohlc are rendered out of their y-axis after having scaled the axis. Here is a live example : http://jsfiddle.net/0dxvav2d/
You can switch the series type at line 71.
Thanks for contributing! In the demo, you should are referring raw.github.com, which does not work, at least not for all browsers. It is a simple fix, just remove the first point so you load your script from rawgithub.com.