FICO· Fair Isaac
Dark pool · off-exchange short volume
Short ratio (latest)
68.9%
20-day average
65.6%
Off-exchange share (20d)
37%
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
1123.34
1.66B
1103.64
1.65B
1083.93
1.61B
1064.22
1.43B
1044.51
1.53B
1024.81
1.17B
1005.10
0.71B
985.39
0.68B
965.68
0.63B
945.97
0.66B
926.27
0.88B
906.56
1.14B
886.85
0.85B
867.14
0.57B
847.44
0.86B
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.