WRB· W. R. Berkley Corporation

Dark pool · off-exchange short volume

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

WRB's off-exchange short-volume ratio was 37.2% on 4 Nov 2026, below its 20-day average of 41.8%. Off-exchange trading was 32% of volume over the last 20 sessions. 11 sessions in the last six months had unusually large off-exchange dollar volume, the latest on 20 Oct 2026.

Short ratio (latest)

37.2%

20-day average

41.8%

Off-exchange share (20d)

32%

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

78.12

0.01B

76.62

0.70B

75.12

0.96B

73.62

1.70B

72.12

2.59B

70.61

3.79B

69.11

3.53B

67.61

3.47B

66.11

2.17B

64.60

0.67B

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.