OMC
Dark pool — off-exchange short volume
Short ratio (latest)
59.0%
20-day average
70.3%
Off-exchange share (20d)
34%
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
84.67
2.46B
83.19
3.23B
81.70
3.43B
80.22
3.89B
78.73
5.27B
77.25
6.00B
75.76
5.65B
74.28
4.06B
72.79
4.02B
71.30
5.02B
69.82
5.24B
68.33
4.02B
66.85
2.11B
65.36
1.30B
63.88
2.61B
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.