WELL

Dark pool — off-exchange short volume

GEX Back to dark pool

Short ratio (latest)

51.4%

20-day average

48.0%

Off-exchange share (20d)

33%

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

223.28

0.03B

219.07

1.09B

214.86

3.12B

210.65

3.64B

206.43

4.88B

202.22

3.57B

198.01

3.72B

193.79

1.91B

189.58

2.96B

185.37

4.97B

181.15

2.18B

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.