ECL· Ecolab
Dark pool · off-exchange short volume
Short ratio (latest)
55.4%
20-day average
56.5%
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
309.32
0.08B
303.80
1.01B
298.27
0.98B
292.75
0.48B
287.23
1.70B
281.70
4.64B
276.18
6.21B
270.66
7.76B
265.13
9.21B
259.61
8.30B
254.09
5.19B
248.56
5.89B
243.04
4.97B
237.51
3.40B
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.