DGX· Quest Diagnostics

Dark pool · off-exchange short volume

as of 2026-11-05

DGX's off-exchange short-volume ratio was 70.1% on 5 Nov 2026, above its 20-day average of 59.6%. Off-exchange trading was 39% of volume over the last 20 sessions. 9 sessions in the last six months had unusually large off-exchange dollar volume, the latest on 22 Oct 2026.

Short ratio (latest)

70.1%

20-day average

59.6%

Off-exchange share (20d)

39%

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

255.68

0.10B

250.57

0.39B

245.45

1.04B

240.34

1.28B

235.23

2.43B

230.11

1.64B

225.00

0.34B

219.88

0.07B

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.