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Dark pool — off-exchange short volume

GEX Back to dark pool

Short ratio (latest)

49.8%

20-day average

59.5%

Off-exchange share (20d)

35%

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

67.27

0.08B

66.02

0.68B

64.78

1.75B

63.53

2.45B

62.28

2.71B

61.04

2.34B

59.79

3.28B

58.55

2.81B

57.30

5.92B

56.06

10.1B

54.81

13.1B

53.57

11.7B

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.