FINRA Short Interest Data

Apify Actor that pulls FINRA's official consolidated equity short interest data and returns clean per-ticker rows: current short position, previous short position, change (shares and %), average daily volume, and days to cover.

FINRA member firms report short positions twice a month (mid-month and month-end settlement dates) for exchange-listed and OTC stocks. Data comes straight from FINRA's public Query API dataset otcMarket / consolidatedShortInterest. Source info: https://www.finra.org/finra-data/browse-catalog/equity-short-interest

Why use it

• Leave settlementDate empty and it finds the latest published settlement date automatically.
• Pull up to 12 settlement dates (about six months) to track how short interest in a ticker is trending.
• Filter by ticker list, market, minimum short position, minimum average daily volume, or minimum days to cover; sort by short position, days to cover, change %, change in shares, or symbol. Filtering and sorting run on FINRA's side, so a full-market screen is fast.
• Useful for short-squeeze screens, crowded-short dashboards, and pairing with daily short sale volume and SEC fails-to-deliver data.

Input

• settlementDate (optional): 2026-09-15 or 20260915. Empty = latest.
• periods: number of published settlement dates to include, 1-12 (default 1).
• symbols (optional): comma-separated tickers, e.g. TSLA,GME,AMC. Empty = every ticker (~22,000 per date).
• market (optional): NNM Nasdaq Global, NCM Nasdaq Capital, NYSE, AMEX, ARCA, BATS, OTC.
• minShortPosition / minAverageDailyVolume / minDaysToCover (optional)
• sortBy: shortPosition (default), daysToCover, changePercent, changeShares, or symbol
• maxRows: 1-5000 per settlement date (default 100)

Example: most crowded NYSE shorts among liquid names

{ "market": "NYSE", "minAverageDailyVolume": 1000000, "sortBy": "daysToCover", "maxRows": 25 }

Output (one item per settlement date + ticker)

{
  "settlementDate": "2026-09-15",
  "symbol": "NVDA",
  "issueName": "NVIDIA Corporation Common Stoc",
  "market": "NNM",
  "shortPosition": 294225803,
  "previousShortPosition": 298301619,
  "changeShares": -4075816,
  "changePercent": -1.37,
  "averageDailyVolume": 115324892,
  "daysToCover": 2.55,
  "stockSplit": null,
  "revised": null,
  "source": "FINRA consolidatedShortInterest"
}

Notes

• Short interest is published by FINRA several business days after each settlement date, so the newest date can lag by about a week and a half.
• Issue names are as FINRA stores them (sometimes truncated to 30 characters).
• Public data only. No browser automation, no API key needed. Limited-permission Actor; standby off.
• Charges: one actor-start event per run and one short-interest-row event per dataset item if pay-per-event pricing is enabled.