Short sellers make money when share price drops. To do this they borrow stock, sell the stock in the market, and then buy the shares back at a later date, and return it to the lender. If price goes down between selling the stocks and buying it back, short sellers keep the difference.
Analysts track how many shares are being “shorted” in the market, and use that data to gauge sentiment. If shares shorted are increasing, short sellers are signaling they believe the shares are likely to drop. If shares shorted decrease, it means short sellers think shares will likely increase (great for average investors, bad for short sellers).
To create the list of stocks below we screened the universe of stocks on the US exchanges (with market caps above $50 million) for an INCREASE in shares shorted month-over-month. Again, this signals they think share price will fall.But here’s the interesting part: All of these stocks have been slightly outperforming the market, as gauged by the S&P 500 index, over the past month. We call this a “winning streak”, measured by a persistence of days in which the stock outperformed the S&P 500 and little persistence of days in underperforming the index. We measured this by the ratio of the longest winning streak (in days) divided by the longest losing streak over the last month. The List So we’re left with a list of stocks that have been outperforming the market for 1 month, in the same period that short sellers have become pessimistic about their performance. This likely means short sellers think this positive momentum won’t last, and that a price correction to the downside is likely. Take a look at the list below and the relevant data. Do you agree with short sellers that their winning streaks are coming to an end? Use this as a starting point for your own analysis.
Compare changes in average analyst ratings over the past two years for the 6 stocks listed below:
1. Alexza Pharmaceuticals Inc. (ALXA): Focuses on the research, development, and commercialization of novel proprietary products for the acute treatment of central nervous system conditions. Market cap at $89.59M, most recent closing price at $5.71. Shares shorted have increased from 2.18M to 2.42M over the last month, an increase which represents about 1.62% of the company’s float of 14.80M shares. Days to cover ratio at 3.73 days. The stock’s average daily alpha vs. the S&P500 index stands at 1.84% (measured close to close, over the last month). During this period, the longest winning streak lasted 5 days (i.e. the stock’s daily returns outperformed the S&P 500 for 5 consecutive days). The longest losing streak lasted 2 days (i.e. a win streak / losing streak ratio of 2.5).
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