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Dark pool · off-exchange short volume
Short ratio (latest)
55.0%
20-day average
59.8%
Off-exchange share (20d)
39%

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

66.64
0.38B
65.45
1.78B
64.26
3.16B
63.07
4.12B
61.88
5.45B
60.69
3.05B
59.50
3.20B
58.31
3.19B
57.12
6.23B
55.93
9.79B
54.74
12.6B
53.55
11.1B
52.36
11.5B
51.17
9.33B

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.

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