SCHW
Dark pool — off-exchange short volume
Short ratio (latest)
29.7%
20-day average
38.7%
Off-exchange share (20d)
38%
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
102.55
4.25B
100.76
3.30B
98.96
2.05B
97.16
4.36B
95.36
12.1B
93.56
16.2B
91.76
13.6B
89.96
7.52B
88.16
7.85B
86.36
6.79B
84.56
4.17B
82.76
3.36B
80.96
8.53B
79.16
9.71B
77.37
10.0B
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.