LYB

Dark pool — off-exchange short volume

GEX Back to dark pool

Short ratio (latest)

47.4%

20-day average

37.9%

Off-exchange share (20d)

33%

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

74.40

3.82B

73.10

5.02B

71.79

4.32B

70.49

3.26B

69.18

4.11B

67.88

4.91B

66.57

4.29B

65.26

3.46B

63.96

2.56B

62.65

1.57B

61.35

1.76B

60.04

1.73B

58.74

1.91B

57.43

2.63B

56.13

3.84B

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.