Overbought conditions usually detected using oscillators. The most known oscillator is Relative Strength Index (RSI). It is overbought >70 and oversold <30.

Daily RSI is at 2 years high, almost at 2013 bubble value.

Overbought means nothing when bubble. That is the trouble with oscillators when trending. The question is whether Bitcoin is still oscillating or starting a new trend. When in doubt, wait and see.