PPG· PPG Industries
Dark pool · off-exchange short volume
Short ratio (latest)
56.3%
20-day average
60.8%
Off-exchange share (20d)
35%
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
120.27
6.31B
118.16
5.65B
116.05
4.81B
113.94
5.26B
111.83
5.45B
109.72
5.68B
107.61
5.02B
105.50
4.39B
103.39
4.59B
101.28
3.84B
99.17
2.91B
97.06
2.51B
94.95
1.89B
92.84
1.77B
90.73
1.21B
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.