IWM

Dark pool — off-exchange short volume

GEX Back to dark pool

Short ratio (latest)

66.8%

20-day average

63.9%

Off-exchange share (20d)

32%

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

293.62

3.47B

287.97

25.4B

282.33

22.8B

276.68

32.5B

271.03

14.6B

265.39

46.0B

259.74

60.0B

254.09

45.8B

248.45

98.6B

242.80

88.2B

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.