FDS· FactSet

Dark pool · off-exchange short volume

as of 2026-11-05

FDS's off-exchange short-volume ratio was 46.9% on 5 Nov 2026, below its 20-day average of 62.7%. Off-exchange trading was 38% of volume over the last 20 sessions. 11 sessions in the last six months had unusually large off-exchange dollar volume, the latest on 1 Oct 2026.

Short ratio (latest)

46.9%

20-day average

62.7%

Off-exchange share (20d)

38%

Darkpool density

big day, short ratio above trendbelow trendbubble size = how unusual ($vol z-score)

Last ~6 months. Bubbles mark days of unusually large off-exchange dollar volume (≥1.5σ vs the trailing 60 days). Daily resolution — not print-level data.

Darkpool levels ±15% of spot, since 2018-10-01

390.10

1.92B

383.25

1.78B

376.41

1.34B

369.57

1.07B

362.72

0.86B

355.88

0.47B

349.03

0.30B

342.19

0.55B

335.35

0.81B

328.50

0.91B

321.66

0.86B

314.81

1.24B

307.97

1.40B

301.13

1.37B

294.28

1.98B

Historical off-exchange $ volume at price: each day's volume spread across that day's range, summed over the full FINRA history. Heavy shelves often act as support/resistance magnets. Amber row = spot's bin.

Off-exchange short-volume ratio

short ratio (20d, right) daily off-exchange share (left)

FINRA daily TRF data, last 2 years. A persistently HIGH short ratio is mostly passive market-maker liquidity provision (commonly read as accumulation pressure) — not naively bearish.