Oscilator Williams R% in ETHUSD

In the Following chart we can see the potential of williams R% and how it works on the market.

Each time the line below on the williams R% reaches the top or bottom (-20 =-80) we can say its the beggingin of a change of the trend because of the overselling or overbuying price of the market.

As you can see every time the price touches the lower band of the Williams R% we can say that the cripto currency is oversold and hope for a trend change.
As well as if the price touches the highest part which is -20 we can say that the crypto currency is overbought.

Each time that the R% shows us that is touching either side at its maximum we can tell if the market is being overselling or overbuying the crypto currency.

Depending on the chart and the R% we can place orders keeping in mind that is not necessarily have to touch and instantaneously change the trend.