CME

Dark pool — off-exchange short volume

GEX Back to dark pool

Short ratio (latest)

24.0%

20-day average

38.0%

Off-exchange share (20d)

40%

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

299.44

3.18B

294.19

4.12B

288.94

2.40B

283.68

3.92B

278.43

2.71B

273.18

5.28B

267.92

8.35B

262.67

12.3B

257.42

10.7B

252.16

9.38B

246.91

3.81B

241.66

2.61B

236.40

1.44B

231.15

0.84B

225.90

1.36B

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.