TER· Teradyne
Dark pool · off-exchange short volume
Short ratio (latest)
55.8%
20-day average
52.1%
Off-exchange share (20d)
32%
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
432.88
1.65B
425.29
1.90B
417.69
1.70B
410.10
1.55B
402.50
1.83B
394.91
2.06B
387.31
2.57B
379.72
4.02B
372.13
4.61B
364.53
5.34B
356.94
4.22B
349.34
3.63B
341.75
3.42B
334.15
2.83B
326.56
2.45B
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.