In the past some coins has shown surprise upwards movement and ethereum been one of the popular coins has shown significant pump in 2017 and early 2018! Will ethereum get to $500 this year even if sec approved ETF?
no one can predict the development of crypto currencies and crypto markets and in my opinion the development of crypto currencies and crypto markets depends on their investors and all possibilities can occur without anyone knowing
indeed there is nothing that can provide a prediction of cryptocurrency price movements but at least from the existing graphs can be read price and volume movements can also influence the cryptocurrency price movements.