Gain = (current - previous trading day closing price) / closing price the previous trading day * 100% For example: a stock's rise is: 8%, -5%, and so on.
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The formula is: Gain = (current - previous trading day closing price) / closing price the previous trading day * 100% For example: a stock's rise is: 8%, -5%, and so on. "Gain" means the current rate of increase in the stock, for example: a stock price of the previous trading day's closing price of 100, the next day for the 110.01 price is the stock price rose 10.01% is the general limit for the stock for it! If the increase 0 indicates no or did not rise today, the price and the previous trading day unchanged. If the increase is negative is called the decline.