WFC
Dark pool — off-exchange short volume
Short ratio (latest)
41.1%
20-day average
33.3%
Off-exchange share (20d)
32%
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
93.63
4.27B
91.99
4.17B
90.35
2.42B
88.71
5.29B
87.06
5.72B
85.42
9.14B
83.78
7.37B
82.14
10.8B
80.49
16.1B
78.85
14.1B
77.21
15.3B
75.56
12.7B
73.92
12.1B
72.28
9.24B
70.64
8.56B
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.