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Each portfolio design is easily defined as a function that takes as input a window of the stock prices and outputs the portfolio weights. Multiple portfolios ... ... <看更多>
There a different packages that could help you running a backtest. Which is most appropriate (and whether you will want to use a package at ... ... <看更多>
I suppose you could try: Populating your 'tickers' vector with the symbolnames of all the rest of the stocks in your portfolio that you want to measure all ... ... <看更多>