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BETA
GWW· W. W. Grainger
Dark pool · off-exchange short volume
Short ratio (latest)
48.3%
20-day average
59.8%
Off-exchange share (20d)
36%

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

1408.00
0.36B
1382.40
1.17B
1356.80
2.00B
1331.20
1.56B
1305.60
2.22B
1280.00
1.55B
1254.40
0.97B
1228.80
0.72B
1203.20
0.76B
1177.60
1.77B
1152.00
2.64B
1126.40
1.83B
1100.80
2.47B

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.

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