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Short interest and short volume

GET/v1/companies/{symbol}/short-stats

How heavily a stock is sold short, from FINRA's own publications: short interest at each twice-monthly settlement (with days to cover), and each day's off-exchange short volume as a share of all volume. Newest first.

Each call counts against your allowance.

Parameters

NameInTypeWhat it does
symbol (required)pathtickerStock ticker, like AAPL.
settlementsquerywhole number, 1–60How many short-interest settlements (12 is about six months). Leave it out for 12.
daysquerywhole number, 1–120How many days of short volume. Leave it out for 30.

Any other parameter is refused, so a typo is caught rather than quietly ignored.

Answer

The answer is { data, asOf }. Here is data, abridged: real answers carry more fields.

data (abridged)
{
  "shortInterest": [
    {
      "ticker": "AAPL",
      "settlementDate": "2026-09-30",
      "shortInterest": 118400000,
      "avgDailyVolume": 52100000,
      "daysToCover": 2.27
    }
  ],
  "shortVolume": [
    {
      "ticker": "AAPL",
      "date": "2026-10-20",
      "shortVolume": 9120000,
      "totalVolume": 21400000,
      "shortVolumeRatio": 0.426
    }
  ]
}

Answers and errors covers every answer’s shape and what an error carries.