QQQ
Dark pool — off-exchange short volume
Short ratio (latest)
55.6%
20-day average
58.4%
Off-exchange share (20d)
34%
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
749.74
16.6B
735.85
48.2B
721.97
59.4B
708.08
105B
694.20
42.1B
680.32
18.9B
666.43
35.6B
652.55
53.3B
638.66
51.3B
624.78
335B
610.90
450B
597.01
413B
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.