PPL

Dark pool — off-exchange short volume

GEX Back to dark pool

Short ratio (latest)

27.9%

20-day average

39.1%

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

39.91

0.24B

39.19

1.09B

38.48

1.83B

37.77

2.22B

37.06

2.16B

36.34

3.42B

35.63

4.79B

34.92

3.96B

34.20

2.08B

33.49

2.90B

32.78

2.48B

32.07

0.93B

31.35

1.51B

30.64

1.73B

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.