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Is there an indicator that would allow me to monitor surges or drops of an asset's price compared to the usual range it has traded in over a period of time?

I'm building a script so i'm trying to find something i can automate and have triggers when a stock is deviation X over Z period. X and Z being parameters

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I'll spare you all of the gobbledygook about how people analyze and use the Stochastic Oscillator. However, it does depict the position of the underlying in relation to the past "X" days and would clearly show deviation from the range.

If you have access to analytical software, you could also calculate the average daily price change and then screen for time periods where price change exceeds that amount by whatever number amuses you.

Or you could simply look at the WSJ intraday list of largest price and percent movers and then look at a chart.

  • I'm building a software to automate the process, somethings are easy to see on a chart but less intuitive to automate. Your 2nd proposal is what i was going for but i'm wondering if there was something more out of the box on which i could feed the EOD price for a period. – techtrm May 22 at 4:33
  • You might take a look at Trade Station and Technifilter Plus. They allow you to build your filtering algorithms. – Bob Baerker May 22 at 13:08
  • Sorry, but that seriously depends on the definition of past range. Stochatics may end at 100% and take the current day into account, – TomTom Jun 21 at 9:08
  • By definition, Lane's Stochastics must include the current day. It would make no sense to look at a past Stochastic that did not include the current day in order to guess what tomorrow will bring. Also by definition, Stochastic ranges from 0 to 100 so it must end at 100, regardless of how much higher in price the security rises. – Bob Baerker Jun 21 at 11:17

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