OBV-oscillator

Convenient version of the OBV indicator
If you do not understand how it works - do not use it better
* Thanks LazyBear (its indicator is used, I just added an option missing for me)

Информация о релизе: ВЫ можете найти меня на https://stalkforex.club или в телеграм-канале http://t.me/stalkforex