Tapeab

MA

Dark pool — off-exchange short volume

Short ratio (latest)
32.2%
20-day average
34.0%
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

557.74
28.7B
547.95
22.5B
538.17
18.5B
528.38
23.4B
518.60
25.8B
508.81
18.9B
499.03
24.8B
489.24
17.5B
479.46
7.14B
469.68
8.80B
459.89
9.20B
450.11
13.2B
440.32
11.6B
430.54
6.47B
420.75
4.48B

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.