DXCM· Dexcom

Dark pool · off-exchange short volume

as of 2026-11-05

DXCM's off-exchange short-volume ratio was 66.7% on 5 Nov 2026, above its 20-day average of 50.0%. Off-exchange trading was 36% of volume over the last 20 sessions. 14 sessions in the last six months had unusually large off-exchange dollar volume, the latest on 30 Oct 2026.

Short ratio (latest)

66.7%

20-day average

50.0%

Off-exchange share (20d)

36%

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

100.87

2.26B

99.10

1.58B

97.33

1.33B

95.56

1.44B

93.79

1.41B

92.02

2.18B

90.25

3.87B

88.48

4.81B

86.71

5.90B

84.94

6.31B

83.17

4.56B

81.40

3.68B

79.63

4.14B

77.86

4.04B

76.09

3.99B

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.