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Dark pool — off-exchange short volume
Short ratio (latest)
49.3%
20-day average
40.9%
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
229.13
3.45B
225.11
3.14B
221.09
3.20B
217.07
2.63B
213.05
3.09B
209.03
3.93B
205.01
4.62B
200.99
3.44B
196.97
1.47B
192.95
0.31B
188.93
0.11B
184.91
0.05B
180.89
0.02B
176.87
0.59B
172.85
0.51B
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.