BRK-B· Berkshire Hathaway

Dark pool · off-exchange short volume

as of 2026-11-05

BRK-B's off-exchange short-volume ratio was 45.2% on 5 Nov 2026, in line with its 20-day average of 45.5%. Off-exchange trading was 35% of volume over the last 20 sessions. 10 sessions in the last six months had unusually large off-exchange dollar volume, the latest on 4 Nov 2026.

Short ratio (latest)

45.2%

20-day average

45.5%

Off-exchange share (20d)

35%

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

579.09

0.64B

567.51

0.94B

555.93

1.60B

544.34

7.85B

532.76

18.6B

521.18

22.4B

509.60

61.1B

498.02

99.1B

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.