AON

Dark pool — off-exchange short volume

GEX Back to dark pool

Short ratio (latest)

47.1%

20-day average

43.5%

Off-exchange share (20d)

35%

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

383.21

2.39B

376.49

2.66B

369.76

4.96B

363.04

5.68B

356.32

9.02B

349.60

9.62B

342.87

7.34B

336.15

4.48B

329.43

6.38B

322.70

11.1B

315.98

9.85B

309.26

7.32B

302.53

4.26B

295.81

6.40B

289.09

7.54B

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.