SYK
Dark pool — off-exchange short volume
Short ratio (latest)
53.7%
20-day average
50.0%
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
350.89
10.2B
344.74
7.17B
338.58
5.82B
332.42
7.73B
326.27
5.95B
320.11
3.31B
313.96
2.86B
307.80
3.68B
301.64
2.28B
295.49
3.31B
289.33
5.68B
283.18
4.78B
277.02
3.94B
270.86
3.94B
264.71
5.25B
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.