occurs when there is momentum in bitcoin, whether it is a rising bitcoin price trend or halving and in this season bitcoin is experiencing halving and usually bull runs occur between 3 to 6 months after that, if we look at this August there tends to be a correction in bitcoin, that could be a sign that a bullrun will occur in altcoin because until now even though the bitcoin price has stopped, the increase in altcoins has continued until this week.
plus there are several new token phenomena that have very good trends this month.