TECH· Bio-Techne
Dark pool · off-exchange short volume
Short ratio (latest)
26.6%
20-day average
37.3%
Off-exchange share (20d)
31%
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
82.22
0.86B
80.77
0.92B
79.33
0.92B
77.89
0.94B
76.45
1.23B
75.00
1.35B
73.56
1.32B
72.12
4.69B
70.68
6.05B
69.24
0.94B
67.79
1.00B
66.35
1.11B
64.91
1.07B
63.47
1.32B
62.02
1.24B
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.