In trading on Monday, shares of Contango Oil & Gas Co. (MCF) crossed below their last reported book value — defined as common shareholder equity per share — of $30.68, changing hands as low as $30.63 per share. Contango Oil & Gas Co. shares are currently trading off about 3.7% on the day. The chart below shows the one year performance of MCF shares, versus its 50 and 200 day moving averages:

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Contango Oil & Gas Co.  Moving Averages Chart

Looking at the chart above, MCF's low point in its 52 week range is $29.80 per share, with $50.44 as the 52 week high point — that compares with a last trade of $30.72.

According to the ETF Finder at ETF Channel, MCF makes up 1.43% of the iShares Enhanced U.S. Small-Cap ETF ( IESM) which is trading up by about 0.2% on the day Monday.