A falling number can be a downswing that mean-reverts or a structural decline that never comes back; they price completely differently.
What would have to be true for this number to return to its old level, and is anything structural standing in the way?
Cycles can hide secular decline inside them (each peak lower than the last), so one recovery is not proof the decline was cyclical.
2 drills in the stream · 1 recall variation in Anamnesis