POOL· Pool Corporation

Dark pool · off-exchange short volume

Dark pool as of 2026-11-04 · latest session 2026-11-05

POOL's off-exchange short-volume ratio was 46.4% on 4 Nov 2026, below its 20-day average of 61.3%. Off-exchange trading was 44% of volume over the last 20 sessions. 6 sessions in the last six months had unusually large off-exchange dollar volume, the latest on 23 Oct 2026.

Short ratio (latest)

46.4%

20-day average

61.3%

Off-exchange share (20d)

44%

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

236.26

0.82B

232.12

1.02B

227.97

0.81B

223.83

0.39B

219.69

0.49B

215.54

0.67B

211.39

0.62B

207.25

0.73B

203.10

0.89B

198.96

0.97B

194.81

0.99B

190.67

1.01B

186.52

1.09B

182.38

1.17B

178.24

0.81B

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.