WTW· Willis Towers Watson
Dark pool · off-exchange short volume
Short ratio (latest)
62.5%
20-day average
49.2%
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
353.48
0.02B
347.17
0.38B
340.86
1.35B
334.55
2.82B
328.23
3.84B
321.92
3.74B
315.61
3.86B
309.30
3.20B
302.99
3.76B
296.67
2.76B
290.36
3.29B
284.05
2.62B
277.74
0.82B
271.42
0.64B
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.