OMC· Omnicom Group

Dark pool · off-exchange short volume

as of 2026-11-05

OMC's off-exchange short-volume ratio was 75.8% on 5 Nov 2026, above its 20-day average of 64.1%. Off-exchange trading was 38% of volume over the last 20 sessions. 8 sessions in the last six months had unusually large off-exchange dollar volume, the latest on 23 Oct 2026.

Short ratio (latest)

75.8%

20-day average

64.1%

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

99.76

0.09B

98.01

0.70B

96.26

0.86B

94.51

0.68B

92.76

0.54B

91.01

0.59B

89.26

0.93B

87.51

2.01B

85.76

2.52B

84.01

3.53B

82.26

5.09B

80.51

5.02B

78.76

6.60B

77.01

7.73B

75.26

7.77B

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.