Here is a good link to futures - most other free ones are delayed. Note that the chart is live but the figure at the top is 15 minute delayed...
http://www.quote.com/us/futures/chart.action?s=YM+M9&chartUi.period=V&chartUi.bardensity=MEDIUM&chartUi.bartype=LINE&chartUi.size=650x450&chartUi.minutes=2
