LDOS· Leidos
Dark pool · off-exchange short volume
Short ratio (latest)
48.1%
20-day average
55.8%
Off-exchange share (20d)
38%
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
125.78
1.06B
123.57
1.04B
121.36
0.55B
119.16
0.18B
116.95
0.12B
114.74
0.12B
112.54
0.11B
110.33
0.36B
108.12
0.76B
105.92
1.00B
103.71
1.14B
101.50
1.53B
99.30
1.47B
97.09
1.98B
94.88
2.38B
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.