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Dark pool · off-exchange short volume
Short ratio (latest)
46.8%
20-day average
45.5%
Off-exchange share (20d)
42%

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

29.19
0.30B
28.67
5.59B
28.14
8.69B
27.62
8.27B
27.10
12.6B
26.58
14.7B
26.06
15.9B
25.54
20.2B
25.02
20.4B
24.50
14.7B
23.98
15.1B
23.45
13.4B
22.93
10.5B
22.41
7.37B

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.

T Dark Pool — Off-Exchange & Short Volume — Tapelab