APH
Dark pool — off-exchange short volume
Short ratio (latest)
32.8%
20-day average
36.2%
Off-exchange share (20d)
42%
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
167.74
0.06B
164.74
0.38B
161.75
0.38B
158.75
0.57B
155.76
1.30B
152.76
5.04B
149.76
7.07B
146.77
9.23B
143.77
7.73B
140.78
8.63B
137.78
11.3B
134.79
8.65B
131.79
6.20B
128.80
7.89B
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.