ACN

Dark pool — off-exchange short volume

GEX Back to dark pool

Short ratio (latest)

51.2%

20-day average

53.3%

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

193.98

5.73B

190.58

4.82B

187.18

3.15B

183.77

2.72B

180.37

4.98B

176.97

6.62B

173.56

4.04B

170.16

3.22B

166.76

3.38B

163.35

2.41B

159.95

2.71B

156.55

1.99B

153.14

1.21B

149.74

1.41B

146.34

2.01B

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.