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VRT· Vertiv
Dark pool · off-exchange short volume
Short ratio (latest)
44.5%
20-day average
50.3%
Off-exchange share (20d)
43%

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

293.05
3.89B
287.91
2.80B
282.77
2.71B
277.62
3.46B
272.48
5.04B
267.34
5.86B
262.20
6.72B
257.06
6.94B
251.92
5.38B
246.78
5.28B
241.64
4.94B
236.50
3.46B
231.35
1.46B
226.21
0.81B
221.07
0.20B

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.

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