HYG
HYG's off-exchange short-volume ratio was 55.3% on 4 Nov 2026, above its 20-day average of 53.2%. Off-exchange trading was 48% of volume over the last 20 sessions. 3 sessions in the last six months had unusually large off-exchange dollar volume, the latest on 2 Oct 2026.
Darkpool density
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
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
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.