In my prediction i think every price altcoin is still down because fail and scam project.A good project lock their token to save a fall price. But its not give effect to make their price is up because too little buyer in market.
Will the altcoin raise again in middle 2019 ?
indeed some SCAM projects make prices fall because it damages investors' confidence in trading crypto currencies.
but I'm not sure that prices will improve in the middle of this year. it will be too fast if the bull run must occur in the middle of this year. need a bigger reason for the bull run to occur.