CAH

Dark pool — off-exchange short volume

GEX Back to dark pool

Short ratio (latest)

72.3%

20-day average

51.3%

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

233.43

0.06B

229.11

0.60B

224.79

1.21B

220.46

1.23B

216.14

2.05B

211.82

3.27B

207.49

3.54B

203.17

3.39B

198.85

3.46B

194.53

2.01B

190.20

1.29B

185.88

0.91B

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.