[amibroker] reverse RSI calculation

["flowridej" <flowridej@xxxxxxxxx>]

Does anyone know how to calculate a closing price based on an RSI 
value?  I am trying to figure out what the closing price has to be 
tomorrow for the RSI value to be above 70.  I have tried working with 
the formula but can't figure out how to modify it to accept the hard 
coded RSI of 70 and give me tomorrows closing price.

Below is a verion of RSI from Tomasz in thread:
http://finance.groups.yahoo.com/group/amibroker/messages/113398?
threaded=1&m=e&var=1&tidx=1

Can anybody help me figure out how to modify this to give me the 
close price (that would result in an RSI value over 70)?

thanks,
Jason


> function BuiltInRSIEquivalent( period )
> {
>  P = N = 0;
>
>  result = Null;
>
>  for( i = 1; i < BarCount; i++ )
>  {
>    diff = C[ i ] - C[ i - 1 ];
>    W = S = 0;
>    if( diff > 0 ) W = diff;
>    if( diff < 0 ) S = -diff;
>
>    P = ( ( period -1 ) * P + W ) / period;
>    N = ( ( period -1 ) * N + S ) / period;
>
>    if( i >= period )
>       result[ i ] = 100 * P / ( P + N );
>  }
>  return result;
> }




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