SNA· Snap-on
Dark pool · off-exchange short volume
Short ratio (latest)
82.2%
20-day average
73.4%
Off-exchange share (20d)
33%
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
420.49
0.16B
412.98
0.56B
405.48
0.67B
397.97
0.58B
390.46
0.49B
382.95
1.33B
375.44
1.22B
367.93
1.10B
360.42
1.15B
352.91
0.54B
345.40
1.20B
337.90
1.64B
330.39
1.91B
322.88
2.16B
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.