LRCX· Lam Research
Dark pool · off-exchange short volume
Short ratio (latest)
41.9%
20-day average
43.9%
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
339.97
3.64B
334.01
4.13B
328.04
5.98B
322.08
8.20B
316.11
11.3B
310.15
8.85B
304.18
6.15B
298.22
5.51B
292.26
5.07B
286.29
3.86B
280.33
2.43B
274.36
2.75B
268.40
5.21B
262.43
6.76B
256.47
4.08B
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.