GPC
Dark pool — off-exchange short volume
Short ratio (latest)
52.4%
20-day average
56.9%
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
111.55
2.95B
109.59
1.80B
107.63
1.70B
105.68
1.06B
103.72
1.32B
101.76
0.51B
99.81
0.56B
97.85
0.75B
95.89
0.33B
93.94
0.13B
91.98
0.35B
90.02
0.27B
88.06
0.59B
86.11
1.12B
84.15
1.17B
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.