IWM· iShares Russell 2000 ETF

Dark pool · off-exchange short volume

as of 2026-11-05

IWM's off-exchange short-volume ratio was 68.9% on 5 Nov 2026, above its 20-day average of 63.8%. Off-exchange trading was 29% of volume over the last 20 sessions. 9 sessions in the last six months had unusually large off-exchange dollar volume, the latest on 14 Oct 2026.

Short ratio (latest)

68.9%

20-day average

63.8%

Off-exchange share (20d)

29%

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

306.74

1.98B

301.06

38.4B

295.38

62.2B

289.70

54.6B

284.02

57.9B

278.34

61.0B

272.66

34.0B

266.98

26.6B

261.30

72.8B

255.62

34.9B

249.94

90.2B

244.26

92.4B

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.