<study>
 <description>Взвешенное скользящее среднее</description>
 <description_en>Weighted moving average</description_en>
 <code>sum = 0;

for (i = 0; i &lt; length; i++)
{
  sum += Close.at(i)*(length - i);
}

sumW = length*(length+1)/2;

Plot(sum/sumW, "WMA");</code>
 <declaration></declaration>
 <parameter value="9" name="length"/>
 <style lineWidth="1" view="0" name="WMA" color="#00d868"/>
 <axis>1</axis>
 <changeScaleRange>1</changeScaleRange>
</study>
