MRSH
Dark pool — off-exchange short volume
Short ratio (latest)
23.5%
20-day average
36.9%
Off-exchange share (20d)
42%
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
190.77
0.38B
187.42
1.00B
184.07
1.10B
180.73
2.21B
177.38
2.97B
174.03
4.54B
170.69
3.03B
167.34
1.49B
163.99
2.07B
160.65
1.93B
157.30
0.25B
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.