BLDR
Dark pool — off-exchange short volume
Short ratio (latest)
76.3%
20-day average
54.1%
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
85.45
0.81B
83.95
0.83B
82.45
0.84B
80.95
0.92B
79.45
0.80B
77.95
0.92B
76.45
0.94B
74.96
0.82B
73.46
0.95B
71.96
1.17B
70.46
1.13B
68.96
1.18B
67.46
1.37B
65.96
1.33B
64.46
1.31B
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.