MAR

Dark pool — off-exchange short volume

GEX Back to dark pool

Short ratio (latest)

41.7%

20-day average

57.1%

Off-exchange share (20d)

34%

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

402.06

0.02B

394.33

0.56B

386.60

0.78B

378.87

0.95B

371.14

1.09B

363.40

1.94B

355.67

3.35B

347.94

2.38B

340.21

0.65B

332.48

1.31B

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.