SLV· iShares Silver Trust
Dark pool · off-exchange short volume
Short ratio (latest)
48.3%
20-day average
57.7%
Off-exchange share (20d)
38%
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
65.09
0.02B
63.93
0.94B
62.77
1.66B
61.61
2.01B
60.44
2.43B
59.28
3.14B
58.12
2.34B
56.96
0.53B
55.80
1.31B
54.63
1.19B
53.47
2.19B
52.31
2.92B
51.15
1.26B
49.98
0.47B
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.