WAB· Wabtec

Dark pool · off-exchange short volume

as of 2026-11-05

WAB's off-exchange short-volume ratio was 41.6% on 5 Nov 2026, below its 20-day average of 43.7%. Off-exchange trading was 38% of volume over the last 20 sessions. 6 sessions in the last six months had unusually large off-exchange dollar volume, the latest on 22 Oct 2026.

Short ratio (latest)

41.6%

20-day average

43.7%

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

306.77

0.08B

300.87

0.97B

294.97

1.75B

289.07

1.75B

283.17

1.72B

277.27

1.43B

271.37

1.45B

265.47

2.65B

259.57

2.73B

253.67

1.27B

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.