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BX

Dark pool — off-exchange short volume

Short ratio (latest)
67.9%
20-day average
61.8%
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

135.30
4.49B
132.92
6.71B
130.55
5.18B
128.17
5.69B
125.80
5.24B
123.43
5.86B
121.05
6.59B
118.68
9.30B
116.31
10.4B
113.93
9.74B
111.56
8.76B
109.19
7.15B
106.81
6.14B
104.44
6.91B
102.06
3.69B

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.