SMH
Dark pool · off-exchange short volume
Short ratio (latest)
55.5%
20-day average
55.6%
Off-exchange share (20d)
36%
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
648.12
1.70B
636.75
4.66B
625.38
8.36B
614.01
10.7B
602.64
7.27B
591.27
10.3B
579.90
17.8B
568.53
21.7B
557.16
17.0B
545.79
12.5B
534.42
6.89B
523.05
4.31B
511.68
1.36B
500.31
0.28B
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.