BDSI: Insiders vs. Shorts

The most recent short interest data was recently released by the NASDAQ for the 07/31/2014 settlement date, and BioDelivery Sciences International Inc (BDSI) is one of the most shorted stocks of the Russell 3000, based on 7.04 "days to cover" versus the median component at 6.30. There are a number of ways to look at short data, but one metric that we find particularly useful is the "days to cover" because it considers both the total shares short and the average daily volume of shares typically traded. The number of shares short is then divided by the average daily volume, to express the total number of trading days it would take to close out all of the open short positions if every share traded represented a short position being closed.

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In the case of BioDelivery Sciences International Inc ( BDSI), the total short interest at the 07/31/2014 settlement date was 4,370,819 shares, which compares to the average daily trading volume of just 621,275 shares, for a "days to cover" ratio of 7.04.

When short sellers eventually cover their positions, by definition there must be buying activity because a share that is currently sold short must be purchased to be covered. At the present levels of short interest, if from this point forward every single BDSI share traded represented a short position being closed, then at the average daily volume of 621,275 shares it would only be during the 8th trading day that every short position would be closed.

So it would stand to reason that should some unexpectedly good news come out, and short sellers did not have 8 days of patience but instead wanted to cover their short positions very suddenly, that situation could result in sending the stock higher until the higher price produces enough sellers to generate the necessary volume to close out those positions quickly.

BioDelivery Sciences International Inc ( BDSI) has something relatively rare for a stock with this much short interest, that being insiders taking the other side of the trade. Looking back over the trailing six month period, BDSI has seen 2 different instances of insider buying, as summarized by the table below:

Purchased Insider Title Shares Price/Share Value
06/25/2014 Ernest Robert De Paolantonio CFO and Secretary 1,250 $12.13 $15,162.50
08/22/2014 Charles Bramlage Director 1,800 $13.85 $24,930.00

Below is a chart showing the "days to cover" for BDSI over time:

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And looking at the chart below, BDSI's low point in its 52 week range is $4.16 per share, with $14.95 as the 52 week high point — that compares with a last trade of $14.78.

BioDelivery Sciences International Inc Moving Averages Chart

In recent trading, shares of BioDelivery Sciences International Inc ( BDSI) were changing hands at $14.78/share.

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