The original value chart is made of OHLC candlesticks drowned on a normalized scale. This one only reflect high and low values, that are more useful for its purpose.
This indicator is popular in scalping trading and short-term binary options because of its effectiveness to spot prices excess on a relative short time scale. Period and overbought/oversold areas are configurable to fit your timeframe and trading method.
//parameters :
//ExtDepth = 5
//Overbought = 8
//SlightlyOverbought = 6
//Oversold = -8
//SlightlyOversold = -6
sumHigh = summation[ExtDepth](high)
sumLow = summation[ExtDepth](low)
floatingaxis = 0.1 * (sumHigh+sumLow)
volatilityunit = 0.04 * (sumHigh-sumLow)
vcHigh = (high-floatingaxis) / volatilityunit
vcLow = (low-floatingaxis) / volatilityunit
RETURN vcHigh coloured(255,10,10) as "High Value", vcLow coloured(10,255,10) as "Low Value", Overbought as "overbought area", SlightlyOverbought as "slightly overbought area", Oversold as "oversold area", SlightlyOversold as "slightly oversold area"
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For your interest i have coded the ProRealTime next generation version of this indicator, with all the OHLC value. I'm talking about it here in the forum : http://www.prorealcode.com/topic/the-next-prorealtime-version-10-3-and-new-graphical-functionnalities/#post-3316
Very nice, thanks for your contribution. Next generation of the platform will have the ability to draw custom candlestick with only a simple instruction, then we'll can make this indicator entirely without restriction. You can have a look on the new DRAWCANDLESTICK instruction here : http://www.prorealcode.com/documentation/drawcandle/
Drawing Bar chart will be also possible with the instruction DRAWBARCHART : http://www.prorealcode.com/documentation/drawbarchart/
Don't really know it. I only have a VIP Beta access and it looks promising. A lot of improvements have been made for indicators development and beyond. Of course i'll give news here in ProRealCode as soon as possible.
I already have investigated in new drawing capabilities and it is awesome! At least, we can do almost anything for chart drawing. Our imagination the limit :)
This was my first thought, but 1 minute bars don't look like these on my charts. Hmm...