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APD

Dark pool — off-exchange short volume

Short ratio (latest)
50.4%
20-day average
37.1%
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

317.23
2.02B
311.67
1.94B
306.10
3.54B
300.54
5.16B
294.97
4.10B
289.41
5.46B
283.84
9.75B
278.27
7.22B
272.71
8.05B
267.14
12.5B
261.58
12.3B
256.01
14.2B
250.45
11.1B
244.88
8.96B
239.32
8.07B

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.