PAYX· Paychex
Dark pool · off-exchange short volume
Short ratio (latest)
55.7%
20-day average
54.9%
Off-exchange share (20d)
35%
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
132.01
3.01B
129.70
1.30B
127.38
1.11B
125.06
2.28B
122.75
3.25B
120.43
2.94B
118.12
3.56B
115.80
3.60B
113.48
6.47B
111.17
7.57B
108.85
8.17B
106.54
5.36B
104.22
4.62B
101.90
5.46B
99.59
4.84B
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.