WDC· Western Digital

Dark pool · off-exchange short volume

as of 2026-11-05

WDC's off-exchange short-volume ratio was 23.8% on 5 Nov 2026, below its 20-day average of 38.3%. Off-exchange trading was 46% of volume over the last 20 sessions. 11 sessions in the last six months had unusually large off-exchange dollar volume, the latest on 2 Oct 2026.

Short ratio (latest)

23.8%

20-day average

38.3%

Off-exchange share (20d)

46%

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

369.17

3.66B

362.69

4.47B

356.21

4.88B

349.74

5.18B

343.26

5.62B

336.78

2.67B

330.31

0.96B

323.83

0.19B

317.35

0.83B

310.88

2.45B

304.40

3.89B

297.92

4.98B

291.45

7.18B

284.97

9.38B

278.49

9.24B

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.