DAL
Dark pool — off-exchange short volume
Short ratio (latest)
73.3%
20-day average
60.5%
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
83.07
0.48B
81.54
0.62B
80.00
0.78B
78.46
0.63B
76.92
0.19B
75.38
0.54B
73.84
1.18B
72.30
2.16B
70.77
4.97B
69.23
4.90B
67.69
5.58B
66.15
5.62B
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.