GEHC
Dark pool — off-exchange short volume
Short ratio (latest)
52.1%
20-day average
41.6%
Off-exchange share (20d)
39%
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
73.02
3.93B
71.74
4.26B
70.46
4.22B
69.17
2.74B
67.89
2.08B
66.61
1.40B
65.33
1.37B
64.05
1.82B
62.77
2.09B
61.49
2.21B
60.21
1.23B
58.93
0.79B
57.65
0.32B
56.36
0.09B
55.08
0.09B
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.