IFF

Dark pool — off-exchange short volume

GEX Back to dark pool

Short ratio (latest)

76.4%

20-day average

75.8%

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

85.43

1.40B

83.93

1.58B

82.43

1.75B

80.93

1.60B

79.43

1.69B

77.93

2.55B

76.43

2.88B

74.93

2.96B

73.44

2.42B

71.94

2.53B

70.44

1.61B

68.94

1.08B

67.44

0.86B

65.94

1.25B

64.44

2.08B

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.