FDS

Dark pool — off-exchange short volume

GEX Back to dark pool

Short ratio (latest)

64.6%

20-day average

61.6%

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

279.90

1.55B

274.99

1.40B

270.08

1.40B

265.17

1.18B

260.26

1.33B

255.35

1.46B

250.44

1.25B

245.53

0.57B

240.62

0.54B

235.71

0.65B

230.80

0.90B

225.89

1.15B

220.98

1.30B

216.07

1.02B

211.16

1.03B

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.