LII

Dark pool — off-exchange short volume

GEX Back to dark pool

Short ratio (latest)

72.4%

20-day average

68.3%

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

580.92

1.71B

570.73

2.27B

560.54

2.85B

550.35

3.21B

540.15

2.82B

529.96

2.65B

519.77

2.45B

509.58

2.17B

499.39

2.74B

489.20

3.22B

479.01

1.78B

468.81

1.16B

458.62

0.97B

448.43

0.83B

438.24

0.74B

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.