UDR· UDR, Inc.
Dark pool · off-exchange short volume
Short ratio (latest)
15.9%
20-day average
42.8%
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
40.04
1.38B
39.33
2.46B
38.63
2.42B
37.93
2.65B
37.23
3.73B
36.52
2.72B
35.82
2.78B
35.12
2.48B
34.42
2.50B
33.72
2.22B
33.01
1.20B
32.31
0.88B
31.61
0.82B
30.91
0.63B
30.20
0.57B
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.