AIG

Dark pool — off-exchange short volume

GEX Back to dark pool

Short ratio (latest)

8.0%

20-day average

27.8%

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

84.84

1.66B

83.35

2.78B

81.86

3.87B

80.37

4.63B

78.89

5.55B

77.40

7.13B

75.91

7.11B

74.42

7.27B

72.93

6.82B

71.44

5.47B

69.95

2.41B

68.47

1.52B

66.98

0.72B

65.49

1.29B

64.00

0.78B

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.