Indicator PPO not showing in chart

 
I added this indicator https://www.mql5.com/en/code/19923 to the chart but the window is still empty, blank. Help.
Percentage Price Oscillator
Percentage Price Oscillator
  • www.mql5.com
Volume Rate of Change O indicador Volume Rate of Change (VROC) mede a taxa de variação do volume de mercado ao longo das últimas n sessões. Em outras palavras, o VROC mede o volume atual em comparação com o volume de n períodos ou de n sessões atrás. TimeEA EA simples. Abre ou fecha a posição especificada na hora definida nas configurações...
 
Ian777:
I added this indicator https://www.mql5.com/en/code/19923 to the chart but the window is still empty, blank. Help.

Why don't you ask in the thread dedicated to the indicator?

https://www.mql5.com/pt/forum/248743

Indicadores: Percentage Price Oscillator
Indicadores: Percentage Price Oscillator
  • 2018.05.31
  • www.mql5.com
Percentage Price Oscillator: Autor: Mladen Rakic...
Reason: