Delayed Reported Short Interest

Retrieve Official short interest data for US, Canada, Australia and Hong Kong for a given stock ticker. Short interest is the count of shares sold short that remain open (not yet bought back), offering a window into positioning and crowd sentiment. Elevated short interest can reflect bearish conviction and, in some cases, set the stage for short-squeeze dynamics.

Use Cases: Market sentiment analysis, short-squeeze monitoring, risk management, trading strategy tuning.

Available Data Points:

  • Short Interest: Total shares reported as short.
  • Days to Cover: Computed as short_interest ÷ avg_daily_volume, estimating how many trading days are needed for shorts to cover. For display and risk flags, values below 1 are rounded up to 1.
  • Avg Daily Volume: The stock’s average daily trading volume over a defined lookback, used to normalize short interest.
  • Settlement Date: The official reporting/settlement date tied to the exchange calendar for this short interest snapshot.

Coverage:

This API currently provides officially filed short interest statistics for the following countries (country code):

  • United States (US)
  • Australia (AU)
  • Canada (CA)
  • Hong Kong (HK)
Query Params
string
required

2 character ISO country code: US, CA, AU, HK

integer

A page number within the paginated result set.

integer

Number of results to return per page.

string
required

Starting settlement date for short interest data (YYYY-MM-DD)

string

Ending settlement date for short interest data (YYYY-MM-DD). If no input, will default to settlement_from_date

string
required

Ticker symbol of company to retrieve short interest for (e.g. "AAPL")

Responses

400

Invalid request parameters

403

Not authorized

404

Data not found

429

Rate limit exceeded

500

Internal server error

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