It greatly surpassed the +3σ of the Bollinger Band due to the rapid increase on 11/7, and it was shown that adjustments were made while a sense of overheating was warned, but since it was lowered to +2 σ, the feeling of overheating abated. It has risen to +3σ on the weekly chart, and has fallen below +2 σ due to subsequent adjustments. Amidst a strong trend, it is thought that there is a strong desire to buy in a push. The band has been expanding all at once, and it seems that they will move towards a stance aiming for a rebound in line with +2 σ.