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Owners, insiders and shorts

Daily short volume

QuantGPT

FINRA's daily short sale volume per symbol: the share of each day's volume sold short.

What it is

FINRA's daily short sale volume per symbol: the share of each day's volume sold short.

  • short volume daily: FINRA daily short sale volume (CNMS) per symbol.

Source and licence

Source: FINRA.

Licence: public (FINRA terms of use). This is our reading of the table; counsel decides.

Credit: FINRA (Data sources).

Coverage and gap years

23,446 symbols, 18,327,684 rows in short volume daily, from Jan 2, 2019 to Oct 8, 2026.

Years with no rows: none between the first and the last.

TableRowsFirstLast
short volume daily18,327,684Jan 2, 2019Oct 8, 2026

Freshness

Last row Oct 8, 2026: 1 day behind on the day measured. Updates: every trading day.

Point in time

Keyed on the trading day. It is not the short position: that is short interest.

No version history in the table: it holds the latest copy the engine loaded.

Delisted names

Not stated in the catalogue.

Known issues

  • short interest runs from 2018 with exchange-listed names covered from the start; short volume daily runs from 2019. (WAREHOUSE, Gaps and freshness that matter)
  • Short volume has a hole. From about 2026-02-20 to 2026-05-15, short volume daily holds only about 2,700 small symbols a day: AAPL, KO, JPM and SPY have no rows in March or April 2026. A "past year" average is over 192 sessions, not about 250; the page says how many. (ACCURACY, Found while building the stock page sections (2026-10-09))
  • Daily short volume is not the short position; say so next to it. (GAPS, 4. Short volume and eight years of short interest (score 4.0))
  • FINRA publishes about seven business days after settlement. (GAPS, 4. Short volume and eight years of short interest (score 4.0))
  • The SEC fails-to-deliver table is empty. (GAPS, 4. Short volume and eight years of short interest (score 4.0))

Where it is used

Engine tools that reach it (your AI, over MCP):

  • query_warehouse Run read-only SQL (DuckDB dialect) directly against any research database.

Ask AI

Every count and date here was measured on Oct 9, 2026 from the QuantGPT engine's warehouse and is read from the catalogue file when the site is built. Metadata only: no vendor rows are shown.