CVS· CVS Health

Dark pool · off-exchange short volume

as of 2026-11-05

CVS's off-exchange short-volume ratio was 12.7% on 5 Nov 2026, below its 20-day average of 30.9%. Off-exchange trading was 34% of volume over the last 20 sessions. 12 sessions in the last six months had unusually large off-exchange dollar volume, the latest on 4 Nov 2026.

Short ratio (latest)

12.7%

20-day average

30.9%

Off-exchange share (20d)

34%

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

91.15

6.72B

89.56

8.20B

87.96

8.00B

86.36

7.52B

84.76

4.43B

83.16

4.74B

81.56

6.20B

79.96

9.14B

78.36

11.4B

76.76

13.1B

75.16

9.37B

73.56

7.81B

71.96

11.1B

70.36

8.86B

68.77

7.91B

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.