rictions</strong> – Optional DataFrame specifying which stocks can be bought/sold</p></li>
<li><p><strong>tax_rates</strong> – Optional DataFrame of tax rates with columns [type, rate]</p></li>
<li><p><strong>strategies</strong> – Optional list of OracleStrategy instances</p></li>
</ul>
</dd>
</dl>
</dd></dl>

<dl class="py method">
<dt class="sig sig-object py" id="service.oracle.Oracle.add_strategy">
<span class="sig-name descname"><span class="pre">add_strategy</span></span><span class="sig-paren">