This means that after 240 trading days, the overall increase multiple is about 115.8887 times, which is converted into the form of increase percentage, and the increase is (115.8887-1)×100\% = 11488.87\%.Step 1: Review the formula of compound interest final value.\begin{align*}
If it rises by 1% or 2% every day, how much will it increase in 240 trading days a year?F&=(1 + 0.01)^{240}\\
Step 1: Review the formula of compound interest final value.This means that after 240 trading days, the overall increase multiple is about 115.8887 times, which is converted into the form of increase percentage, and the increase is (115.8887-1)×100\% = 11488.87\%.\begin{align*}