pan> <span class='fu'><a href='get_prices_from_tickers.html'>get_prices_from_tickers</a></span><span class='op'>(</span><span class='va'>tickers</span>,
                                              start <span class='op'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/as.Date.html'>as.Date</a></span><span class='op'>(</span><span class='st'>"2019-04-01"</span><span class='op'>)</span>,
                                              end <span class='op'>=</span> <span class='fu'><a href='https://rd