VRSK· Verisk Analytics
Dark pool · off-exchange short volume
Short ratio (latest)
51.5%
20-day average
44.8%
Off-exchange share (20d)
39%
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
200.87
2.01B
197.34
2.14B
193.82
2.73B
190.30
3.02B
186.77
3.61B
183.25
5.23B
179.72
7.09B
176.20
5.56B
172.68
4.31B
169.15
4.13B
165.63
3.02B
162.10
1.87B
158.58
1.35B
155.06
0.79B
151.53
0.93B
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.