RMD· ResMed

Dark pool · off-exchange short volume

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

RMD's off-exchange short-volume ratio was 55.2% on 4 Nov 2026, below its 20-day average of 70.2%. Off-exchange trading was 37% of volume over the last 20 sessions. 8 sessions in the last six months had unusually large off-exchange dollar volume, the latest on 3 Nov 2026.

Short ratio (latest)

55.2%

20-day average

70.2%

Off-exchange share (20d)

37%

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

258.87

1.68B

254.33

4.45B

249.79

4.99B

245.25

4.62B

240.70

4.53B

236.16

4.21B

231.62

4.43B

227.08

4.85B

222.54

4.53B

218.00

3.90B

213.46

4.25B

208.91

5.88B

204.37

4.55B

199.83

3.19B

195.29

2.74B

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.