an><span class='op'>(</span>quote <span class='op'>=</span> <span class='st'>"Close"</span>,
                          multi_day <span class='op'>=</span> <span class='cn'>TRUE</span>,
                          compounding <span class='op'>=</span> <span class='st'>"continuous"</span><span class='op'>)</span>
<span class='va'>tickers</span> <span class='op'>&lt;-</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span><span class='op'>(</span><span class='st'>"AMZN"</span>, <span class='