ort_index</span><span class="p">(</span><span class="n">ascending</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>

            <span class="n">universe_dict</span><span class="p">[</span><span class="n">instrument</span><span class="p">]</span> <span class="o">=</span> <span class="n">df</span>

    <span class="c1"># Time series relevant to Copper</span>
    <span class="k">elif</span> <span class="n">commodity_name</span> <span class="o">==</span> <span class="s2">&quot;