SW

Dark pool — off-exchange short volume

GEX Back to dark pool

Short ratio (latest)

39.1%

20-day average

60.8%

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

43.64

1.77B

42.87

2.23B

42.11

3.00B

41.34

2.80B

40.58

1.92B

39.81

1.59B

39.05

1.19B

38.28

0.86B

37.51

0.91B

36.75

0.64B

35.98

0.55B

35.22

0.75B

34.45

0.40B

33.69

0.19B

32.92

0.28B

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.