IBM· IBM
Dark pool · off-exchange short volume
Short ratio (latest)
67.5%
20-day average
47.4%
Off-exchange share (20d)
36%
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
277.35
12.2B
272.48
6.87B
267.62
5.39B
262.75
6.36B
257.89
9.43B
253.02
18.7B
248.16
14.8B
243.29
16.1B
238.42
17.4B
233.56
16.8B
228.69
13.6B
223.83
15.0B
218.96
14.3B
214.10
13.0B
209.23
8.31B
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.