This is the conundrum. Both Daily and weekly chart indicators are all extreme overbought. Probably 90%+ of the time a retrace, breathing sideways or correction would take place. Odds definitely favor that happening.
What gives pause for the down case ( whether large or small) is the strength of money well beyond retail's ability that continues to flow in for the last 8 weeks. No one can say when that will slow, stop or reverse. Can anyone predict the next major news event/events?
What will volatility look like going forward? Anyones guess.
eVTOL is a disruptive technology sector with enormous worldwide revenue potential. Considering how advanced and well funded JOBY is to this point the odds are significant that it will be a major player in the sector. It doesn't have to be #1 or 2 or 3 to achieve higher valuations from here, even though right now it appears to be fighting for one of those spots. Will it? Only time will tell.
Many choices how to invest in the sector or individual stocks or both. Here is one companies list of 5 right now.