CRH· CRH plc
Dark pool · off-exchange short volume
Short ratio (latest)
34.2%
20-day average
26.7%
Off-exchange share (20d)
40%
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
100.95
4.94B
99.18
4.91B
97.41
5.36B
95.63
4.28B
93.86
4.34B
92.09
4.81B
90.32
3.88B
88.55
2.16B
86.78
1.82B
85.01
1.33B
83.24
2.27B
81.47
2.37B
79.70
2.72B
77.92
2.33B
76.15
2.76B
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.