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Dark pool — off-exchange short volume

GEX Back to dark pool

Short ratio (latest)

20.8%

20-day average

32.3%

Off-exchange share (20d)

36%

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

502.50

0.10B

493.53

0.42B

484.55

1.88B

475.58

1.82B

466.61

3.80B

457.63

4.07B

448.66

3.12B

439.69

2.46B

430.71

7.81B

421.74

11.1B

412.77

6.92B

403.79

6.69B

394.82

6.52B

385.85

6.65B

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.