UDR· UDR, Inc.

Dark pool · off-exchange short volume

as of 2026-11-05

UDR's off-exchange short-volume ratio was 39.4% on 5 Nov 2026, above its 20-day average of 35.2%. Off-exchange trading was 34% of volume over the last 20 sessions. 15 sessions in the last six months had unusually large off-exchange dollar volume, the latest on 3 Nov 2026.

Short ratio (latest)

39.4%

20-day average

35.2%

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

42.43

0.58B

41.69

1.04B

40.94

1.34B

40.20

1.39B

39.45

2.44B

38.71

2.58B

37.96

2.78B

37.22

3.95B

36.48

2.94B

35.73

3.32B

34.99

3.09B

34.24

3.12B

33.50

2.47B

32.75

1.07B

32.01

0.91B

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.