AAPL307.93-0.98 (-0.32%) session● CONNECTING

dark pool & off-exchange short volume — regulatory data, daily aggregate · published T+0 evening

Dark pool and off-exchange short volume

Off-exchange short volume is the share of a session's off-exchange volume — the trades executed away from the lit exchanges on ATSs ("dark pools") and by internalizing dealers, reported to FINRA — that was sold short. It comes from FINRA's Reg SHO daily publication: a per-session aggregate published the evening of the trade date, not a live print tape, and its base is the off-exchange tape, not consolidated volume. A high ratio is a positioning magnitude, not a direction.

AAPLno record heldshort-vol ratioone sessionshort ÷ off-exchange (FINRA-reported) volume

No daily short-volume record is held for this symbol. Nothing is estimated in its place.

Highest off-exchange short-volume ratios

Liquid names only — a real average-dollar-volume floor from the whole-market spine, not a hand-picked list. Ranked on the latest ingested session.

No daily short-volume session has been ingested yet. Nothing is estimated in its place.

ATS venues — weekly board

Which names dominate off-exchange ATS ("dark pool") volume, and the week-over-week movers — FINRA's weekly per-symbol ATS totals for the latest FULLY published week, ranked by ATS share volume among liquid names (the same real dollar-volume floor). Weekly data, published on FINRA's own multi-week lag (~2 weeks Tier-1 NMS, ~4 for the rest) — weeks behind the tape by regulation.

No fully published weekly ATS week is held yet. Nothing is estimated in its place.