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Dark pool · off-exchange short volume
Short ratio (latest)
47.1%
20-day average
43.3%
Off-exchange share (20d)
29%

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

207.86
6.03B
204.21
5.12B
200.56
5.87B
196.92
9.75B
193.27
10.5B
189.62
9.60B
185.98
8.37B
182.33
9.42B
178.68
6.11B
175.04
5.74B
171.39
6.05B
167.74
1.94B
164.10
0.56B
160.45
2.57B
156.80
12.7B

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.

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