There's an old saying on Wall Street about insider buying: there are many possible reasons to sell a stock, but only one reason to buy. Back on July 22, SunCoke Energy Inc's Director, Robert J. Darnall, invested $100,540.20 into 8,200 shares of SXC, for a cost per share of $12.26. Bargain hunters tend to pay particular attention to insider buys like this one, because presumably the only reason an insider would take their hard-earned cash and use it to buy stock of their company in the open market, is that they expect to make money.

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In trading on Friday, bargain hunters could buy shares of SunCoke Energy Inc ( SXC - Get Report) and achieve a cost basis 8.6% cheaper than Darnall, with shares changing hands as low as $11.21 per share. SunCoke Energy Inc shares are currently trading down about 0.3% on the day. The chart below shows the one year performance of SXC shares, versus its 200 day moving average:

SunCoke Energy Inc Chart

Looking at the chart above, SXC's low point in its 52 week range is $11.18 per share, with $24.57 as the 52 week high point — that compares with a last trade of $11.42. By comparison, below is a table showing the prices at which SXC insider buying was recorded over the last six months:

Purchased Insider Title Shares Price/Share Value
07/22/2015 Frederick A. Henderson Chairman & CEO 6,150 $12.20 $75,022.30
07/22/2015 Robert J. Darnall Director 8,200 $12.26 $100,540.20

According to the ETF Finder at ETF Channel, SXC makes up 3.50% of the Coal ETF ( KOL) which is trading up by about 0.5% on the day Friday.