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CAH· Cardinal Health
Dark pool · off-exchange short volume
Short ratio (latest)
42.2%
20-day average
49.9%
Off-exchange share (20d)
32%

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

258.03
0.04B
253.34
0.06B
248.64
0.31B
243.95
0.41B
239.26
2.41B
234.57
2.63B
229.88
2.16B
225.19
2.88B
220.50
1.93B
215.80
2.42B
211.11
3.38B
206.42
4.04B
201.73
3.74B

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.

CAH Dark Pool — Off-Exchange & Short Volume — Tapelab