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GPC· Genuine Parts Company
Dark pool · off-exchange short volume
Short ratio (latest)
59.2%
20-day average
60.8%
Off-exchange share (20d)
37%

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

152.40
1.56B
149.72
1.61B
147.05
1.16B
144.37
1.59B
141.70
1.93B
139.03
1.79B
136.35
2.73B
133.68
3.91B
131.01
3.04B
128.33
3.53B
125.66
2.86B
122.99
2.95B
120.31
2.77B
117.64
3.43B
114.96
3.66B

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.

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