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Dark pool — off-exchange short volume

GEX Back to dark pool

Short ratio (latest)

70.7%

20-day average

61.9%

Off-exchange share (20d)

37%

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

140.45

0.79B

137.98

1.53B

135.52

1.81B

133.06

1.60B

130.59

1.34B

128.13

1.33B

125.66

1.52B

123.20

1.01B

120.74

1.72B

118.27

1.58B

115.81

1.49B

113.34

1.65B

110.88

2.13B

108.42

1.98B

105.95

2.00B

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.