IBKR· Interactive Brokers

Dark pool · off-exchange short volume

as of 2026-11-05

IBKR's off-exchange short-volume ratio was 32.1% on 5 Nov 2026, below its 20-day average of 33.4%. Off-exchange trading was 40% of volume over the last 20 sessions. 12 sessions in the last six months had unusually large off-exchange dollar volume, the latest on 2 Nov 2026.

Short ratio (latest)

32.1%

20-day average

33.4%

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

88.78

2.06B

87.23

2.31B

85.67

1.72B

84.11

1.66B

82.55

1.44B

81.00

1.12B

79.44

0.71B

77.88

1.31B

76.32

1.71B

74.76

1.24B

73.21

1.49B

71.65

2.28B

70.09

2.57B

68.53

2.27B

66.98

2.02B

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.