class="n">NaN</span>            <span class="n">NaN</span>
</pre></div>
</div>
<p>Each row represents a single trade with the following columns:</p>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">identifier</span></code>: The security identifier</p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">action</span></code>: The trade action (buy/sell)</p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">quantity</span></code