ng financial data in OHLC format.</p>
</dd>
</dl>
<p>Returns:</p>
<dl class="simple">
<dt>float</dt><dd><p>The autocorrelation coefficient of the returns.</p>
</dd>
</dl>
<p>Notes:</p>
<p>The autocorrelation coefficient measures the strength of the linear relationship between
the returns and their lagged values. A value of zero indicates no correlation, while a value
of one indicates perfect positive correlation and a value of negative one indicates perfect
negative correlation.</p>
</dd></dl>

<dl class="p