MAA
Dark pool — off-exchange short volume
Short ratio (latest)
71.2%
20-day average
60.4%
Off-exchange share (20d)
34%
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
159.90
0.87B
157.10
1.07B
154.29
1.35B
151.49
1.98B
148.68
2.38B
145.88
2.13B
143.07
3.04B
140.26
2.06B
137.46
2.04B
134.65
3.17B
131.85
3.91B
129.04
3.56B
126.24
1.98B
123.43
1.62B
120.63
1.61B
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.