ZBRA

Dark pool — off-exchange short volume

GEX Back to dark pool

Short ratio (latest)

31.0%

20-day average

52.3%

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

246.49

2.25B

242.17

2.00B

237.84

1.92B

233.52

1.57B

229.19

1.50B

224.87

1.26B

220.54

0.98B

216.22

0.89B

211.90

1.11B

207.57

1.51B

203.25

1.64B

198.92

1.07B

194.60

0.59B

190.27

0.48B

185.95

0.44B

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.