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\end{align*}If it rises by 1% or 2% every day, how much will it increase in 240 trading days a year?We can use the formula for calculating the final value of compound interest to calculate the final increase under this continuous growth situation. The following are the specific steps:

In the context of compound interest growth, if the initial value is set to P, the growth rate of each period is R, and the formula for calculating the final value F after N periods is F = P (1+R) N. In this topic, we mainly pay attention to the increase multiple, so we can regard the initial value as 1, where the growth rate of each trading day is r = 1\% = 0.01, and the number of periods passed is n = 240 trading days.1.01 {240} \ approximate 10.8926 is calculated by a calculator.

\begin{align*}Step 1: Review the formula of compound interest final value.