ALB

Dark pool — off-exchange short volume

GEX Back to dark pool

Short ratio (latest)

62.1%

20-day average

58.1%

Off-exchange share (20d)

40%

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

168.61

2.50B

165.65

2.45B

162.69

2.33B

159.73

2.26B

156.77

1.84B

153.82

1.06B

150.86

1.49B

147.90

1.90B

144.94

1.96B

141.98

1.79B

139.03

1.37B

136.07

1.03B

133.11

1.50B

130.15

1.88B

127.19

2.37B

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.