Strategy Stochastic Crossover — Indicator by HPotter

This back testing strategy generates a long trade at the Open of the following
bar when the %K line crosses below the %D line and both are above the Overbought level.
It generates a short trade at the Open of the following bar when the %K line
crosses above the %D line and both values are below the Oversold level.

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.

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////////////////////////////////////////////////////////////
//  Copyright by HPotter v1.0 19/05/2014
// This back testing strategy generates a long trade at the Open of the following 
// bar when the %K line crosses below the %D line and both are above the Overbought level.
// It generates a short trade at the Open of the following bar when the %K line 
// crosses above the %D line and both values are below the Oversold level.
////////////////////////////////////////////////////////////
study(title="Strategy Stochastic Crossover", shorttitle="Strategy Stochastic Crossover1", overlay = true )
Length = input(7, minval=1)
DLength = input(3, minval=1)
Oversold = input(20, minval=1)
Overbought = input(70, minval=1)
vFast = stoch(close, high, low, Length)
vSlow = sma(vFast, DLength)
pos =	iff(vFast < vSlow and vFast > Overbought and vSlow > Overbought, 1,
	    iff(vFast >= vSlow and vFast < Oversold and vSlow < Oversold, -1, nz(pos[1], 0))) 
barcolor(pos == -1 ? red: pos == 1 ? green : blue )