Indicator: Volume ROC by LazyBear

Nice little indicator to see all those volume blips.

List of my free indicators: bit.ly/1LQaPK8
List of my indicators at Appstore: blog.tradingview.com/?p=970

Open-source script

In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.

Disclaimer

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Want to use this script on a chart?

//
// @author LazyBear
//
// Volume ROC is calculated by dividing the amount the volume changed over the last
// "n" days by volume "n" days ago. The result is the % volume change. 
//
// If volume today is higher than "n" days ago, VROC will be positive, else negative. 
//
study(title = "Volume ROC [LazyBear]", shorttitle="VolumeROC[LB]")
length=input(12)
vroc = ((volume - volume[length]) / (volume[length])) * 100
hline(0, color=gray)
plot(vroc)