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DDOG· Datadog
Dark pool · off-exchange short volume
Short ratio (latest)
51.8%
20-day average
52.3%
Off-exchange share (20d)
41%

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

252.18
2.73B
247.76
2.76B
243.33
2.27B
238.91
2.14B
234.48
3.11B
230.06
2.73B
225.63
2.38B
221.21
2.21B
216.79
1.45B
212.36
1.70B
207.94
1.14B
203.51
1.05B
199.09
2.04B
194.66
2.75B
190.24
2.92B

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.

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