Help group members use AICoin's custom indicators combined with AI to write indicators, and randomly backtest test data------ The requirement is to calculate the standard deviation of the current BTC market price based on the closing price of the BTC market in the past 14 days (UTC 00:00 as the standard closing time), referring to the standard deviation calculation method of the stock market, and display it through a candlestick. What I want is to display a total of 4 lines based on real-time prices, with+/-1 and 2 labeled differences, displayed along with the price. Added trading logic, selling below the lower limit at the lowest price and buying above the upper limit at the highest price.