WM
Dark pool — off-exchange short volume
Short ratio (latest)
31.2%
20-day average
49.0%
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
246.29
0.31B
241.81
1.11B
237.33
1.80B
232.86
5.05B
228.38
9.91B
223.90
11.8B
219.42
10.2B
214.94
10.1B
210.47
4.95B
205.99
6.10B
201.51
9.67B
197.03
6.07B
192.55
1.18B
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.