UAL· United Airlines Holdings
Dark pool · off-exchange short volume
Short ratio (latest)
53.1%
20-day average
49.5%
Off-exchange share (20d)
41%
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
125.19
0.84B
123.00
1.10B
120.80
1.50B
118.61
1.97B
116.41
2.71B
114.21
3.60B
112.02
3.87B
109.82
5.02B
107.62
6.64B
105.43
7.32B
103.23
5.94B
101.03
5.06B
98.84
6.81B
96.64
7.64B
94.45
9.13B
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.