Short Interest Tracker

Tracking your short interest is important as the short thesis is just as important to understand as the long thesis.  Since most service providers only maintain a defined time period of short interest, maintaining your own tracker can allow for longer history to be maintained.

  1. Many free services only provide a short time period so having a tracker like this allows to maintain history.
  2. You can obtain this information for free via yahoo! finance or subscribe to a database service like ThomsonOne/NASDAQ.
  3. Avg. Volume = reflects the past 30 day avg. volume.
  4. SI Ratio = Short Interest Ratio, which reflects how many days it takes to cover the current short position with current trading volume.  The lower the better.  You should take notice if your SI Ratio is 10.00 or above.


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