LDOS· Leidos
Dark pool · off-exchange short volume
Short ratio (latest)
64.6%
20-day average
56.6%
Off-exchange share (20d)
36%
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
146.90
1.85B
144.32
2.14B
141.75
2.39B
139.17
2.01B
136.59
1.16B
134.01
1.23B
131.44
1.32B
128.86
1.34B
126.28
1.31B
123.71
1.19B
121.13
0.57B
118.55
0.33B
115.97
0.26B
113.40
0.26B
110.82
0.40B
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.