PPG
Dark pool — off-exchange short volume
Short ratio (latest)
59.0%
20-day average
68.2%
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
130.47
3.59B
128.18
3.38B
125.89
3.17B
123.60
4.78B
121.31
6.74B
119.02
5.63B
116.73
4.78B
114.44
4.42B
112.16
5.21B
109.87
5.92B
107.58
5.38B
105.29
4.56B
103.00
5.19B
100.71
3.66B
98.42
2.95B
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.