IRM
Dark pool — off-exchange short volume
Short ratio (latest)
53.0%
20-day average
42.3%
Off-exchange share (20d)
35%
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
133.80
0.05B
131.32
0.18B
128.85
0.52B
126.37
0.75B
123.89
0.38B
121.41
0.32B
118.93
0.66B
116.46
0.76B
113.98
0.90B
111.50
1.19B
109.02
1.34B
106.55
1.83B
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.