MMM· 3M
Dark pool · off-exchange short volume
Short ratio (latest)
43.7%
20-day average
46.3%
Off-exchange share (20d)
34%
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
184.77
0.39B
181.47
1.90B
178.17
1.74B
174.87
1.11B
171.57
2.63B
168.27
4.51B
164.97
5.19B
161.67
5.51B
158.37
5.00B
155.07
7.01B
151.77
10.1B
148.47
10.2B
145.17
11.3B
141.87
8.19B
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.