LHX

Dark pool — off-exchange short volume

GEX Back to dark pool

Short ratio (latest)

48.2%

20-day average

40.0%

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

347.51

2.50B

341.41

2.57B

335.31

1.66B

329.22

0.75B

323.12

0.90B

317.02

0.59B

310.93

1.56B

304.83

1.76B

298.73

1.87B

292.64

1.79B

286.54

2.70B

280.44

1.92B

274.35

2.52B

268.25

2.51B

262.15

0.98B

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.