<study>
 <description>Индекс относительной силы</description>
 <description_en>Relative strength index</description_en>
 <code>if (CurrentBar >= Length)
{
   AverageGain(up, Close, Length);
   AverageLoss(down, Close, Length);  

   RSI = 100;
   if (down.at(0) > 0)
      RSI = 100 - 100/(1+up.at(0)/down.at(0));

   Plot(RSI, "RSI");
}</code>
 <declaration>var up = new Series(ctx);
var down = new Series(ctx);</declaration>
 <parameter value="14" name="Length"/>
 <style lineWidth="1" view="0" name="RSI" color="#00da6d"/>
 <axis>0</axis>
 <changeScaleRange>1</changeScaleRange>
</study>
