JKHY· Jack Henry & Associates
Dark pool · off-exchange short volume
Short ratio (latest)
62.1%
20-day average
64.4%
Off-exchange share (20d)
43%
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
183.68
1.12B
180.45
1.90B
177.23
2.83B
174.01
2.59B
170.79
4.08B
167.56
4.64B
164.34
3.40B
161.12
3.96B
157.90
4.58B
154.68
3.53B
151.45
3.59B
148.23
4.38B
145.01
3.21B
141.79
2.27B
138.56
2.13B
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.