UNH· UnitedHealth Group
Dark pool · off-exchange short volume
Short ratio (latest)
29.6%
20-day average
39.3%
Off-exchange share (20d)
33%
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
432.16
23.6B
424.58
22.9B
417.00
16.0B
409.42
15.5B
401.84
14.9B
394.25
15.3B
386.67
16.4B
379.09
19.9B
371.51
14.6B
363.93
17.5B
356.34
17.8B
348.76
20.9B
341.18
22.5B
333.60
25.7B
326.02
24.7B
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.