Official Short Interest Filings - Changes

API to retrieve official short interest changes for a given ticker on a given exchange.

Available Data Points:

  • Position Start Date: Start date for the reported short interest position (YYYY-MM-DD format).
  • Position End Date: End date for the reported short interest position (YYYY-MM-DD format).
  • Holder: The institution or entity reporting the short position.
  • Currency: The currency in which the position value is denominated.
  • Short Interest Percentage: The percentage of total shares outstanding that are shorted.
  • Short Interest Percentage Free Float: The percentage of free float shares that are shorted.
  • Short Interest Value: The total value of the short position in the given currency (calculated as shortInterestShares × closing price).

Coverage:

This API currently provides official short interest data for the following countries:

  • Belgium
  • Denmark
  • Finland
  • France
  • Germany
  • Ireland
  • Italy
  • Japan
  • Netherlands
  • Norway
  • Poland
  • Spain
  • Sweden
  • United Kingdom

Try it out! You can test the API with the trial key TEST. Simply include it in your request headers; either here, or add the header "Ortex-Api-Key": "TEST" to your http request.

Trial key restrictions: A list of randomly selected rows will be returned

Get full access! Get a key at app.ortex.com/apis

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