VMC

Dark pool — off-exchange short volume

GEX Back to dark pool

Short ratio (latest)

78.5%

20-day average

66.9%

Off-exchange share (20d)

38%

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

310.86

0.82B

305.40

1.54B

299.95

2.95B

294.49

4.42B

289.04

4.97B

283.59

3.27B

278.13

2.46B

272.68

3.60B

267.23

6.22B

261.77

5.68B

256.32

3.79B

250.87

2.83B

245.41

2.47B

239.96

2.76B

234.50

2.51B

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.