Commit To Buy GenMark Diagnostics At $10, Earn 14.5% Annualized

Investors considering a purchase of GenMark Diagnostics, Inc. (GNMK) shares, but tentative about paying the going market price of $12.05/share, might benefit from considering selling puts among the alternative strategies at their disposal. One interesting put contract in particular, is the April 2014 put at the $10 strike, which has a bid at the time of this writing of 80 cents. Collecting that bid as the premium represents a 8% return against the $10 commitment, or a 14.5% annualized rate of return (at Stock Options Channel we call this the YieldBoost).

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Selling a put does not give an investor access to GNMK's upside potential the way owning shares would, because the put seller only ends up owning shares in the scenario where the contract is exercised. And the person on the other side of the contract would only benefit from exercising at the $10 strike if doing so produced a better outcome than selling at the going market price. ( Do options carry counterparty risk? This and six other common options myths debunked). So unless GenMark Diagnostics, Inc. sees its shares fall 17.1% and the contract is exercised (resulting in a cost basis of $9.20 per share before broker commissions, subtracting the 80 cents from $10), the only upside to the put seller is from collecting that premium for the 14.5% annualized rate of return.

Below is a chart showing the trailing twelve month trading history for GenMark Diagnostics, Inc., and highlighting in green where the $10 strike is located relative to that history:

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The chart above, and the stock's historical volatility, can be a helpful guide in combination with fundamental analysis to judge whether selling the April 2014 put at the $10 strike for the 14.5% annualized rate of return represents good reward for the risks. We calculate the trailing twelve month volatility for GenMark Diagnostics, Inc. (considering the last 249 trading day closing values as well as today's price of $12.05) to be 47%. For other put options contract ideas at the various different available expirations, visit the GNMK Stock Options page of StockOptionsChannel.com.

In mid-afternoon trading on Monday, the put volume among S&P 500 components was 729,545 contracts, with call volume at 922,155, for a put:call ratio of 0.79 so far for the day, which is unusually high compared to the long-term median put:call ratio of .65. In other words, there are lots more put buyers out there in options trading so far today than would normally be seen, as compared to call buyers. Find out which 15 call and put options traders are talking about today.

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