AMZN
Dark pool — off-exchange short volume
Short ratio (latest)
24.5%
20-day average
31.6%
Off-exchange share (20d)
40%
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
271.67
31.9B
266.91
31.0B
262.14
38.0B
257.37
29.1B
252.61
30.8B
247.84
57.0B
243.08
47.7B
238.31
76.3B
233.54
124B
228.78
166B
224.01
160B
219.25
127B
214.48
111B
209.71
121B
204.95
115B
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.