SLB
Dark pool — off-exchange short volume
Short ratio (latest)
50.1%
20-day average
57.1%
Off-exchange share (20d)
30%
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
57.97
0.40B
56.85
3.54B
55.74
4.29B
54.63
3.96B
53.51
4.36B
52.40
6.65B
51.28
8.14B
50.17
8.36B
49.05
10.4B
47.94
8.46B
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.