XYL
Dark pool — off-exchange short volume
Short ratio (latest)
61.2%
20-day average
55.0%
Off-exchange share (20d)
35%
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
122.74
2.64B
120.59
3.40B
118.44
2.56B
116.28
1.58B
114.13
1.59B
111.98
1.49B
109.82
2.75B
107.67
2.39B
105.52
1.47B
103.36
1.37B
101.21
1.99B
99.06
2.60B
96.90
2.12B
94.75
1.67B
92.60
1.83B
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.