cy).</p>
<p>The return dataframe contains the following columns:</p>
<p>ticker<br>
The requested tickers (ids of stocks)</p>
<p>ref_date<br>
The reference day (this can also be year/month/week when using argument freq_data)</p>
<p>price_open<br>
The opening price of the day/period</p>
<p>price_high<br>
The highest price of the day/period</p>
<p>price_close<br>
The close/last price of the day/period</p>
<p>volume<br>
The financial volume of the day/period</p>
<p>price_adjusted<br>
The stock price adjusted fo