AMGN
Dark pool — off-exchange short volume
Short ratio (latest)
39.9%
20-day average
48.9%
Off-exchange share (20d)
33%
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
388.43
0.21B
381.62
1.23B
374.80
3.33B
367.99
2.77B
361.17
1.99B
354.36
2.05B
347.54
6.23B
340.73
6.24B
333.92
7.54B
327.10
6.05B
320.29
6.03B
313.47
7.24B
306.66
7.67B
299.84
11.8B
293.03
12.3B
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.