NTRS· Northern Trust
Dark pool · off-exchange short volume
Short ratio (latest)
66.7%
20-day average
52.2%
Off-exchange share (20d)
32%
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
196.76
0.01B
192.97
0.14B
189.19
0.49B
185.41
1.34B
181.62
0.95B
177.84
0.59B
174.05
0.62B
170.27
0.48B
166.49
0.98B
162.70
0.77B
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.