IWM Dark Pool — Off-Exchange & Short Volume

Market/Dark Pool/IWM

IWM· iShares Russell 2000 ETF

Dark pool · off-exchange short volume

Open interest GEX Full dossier

Short ratio (latest)

58.3%

20-day average

59.9%

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

306.22

3.48B

300.45

42.9B

294.67

64.7B

288.89

45.3B

283.11

26.1B

277.33

30.8B

271.56

17.0B

265.78

37.6B

260.00

69.5B

254.22

39.2B

248.45

98.9B

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.