PWR· Quanta Services
Dark pool · off-exchange short volume
Short ratio (latest)
65.3%
20-day average
39.8%
Off-exchange share (20d)
40%
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
741.66
1.18B
728.65
2.01B
715.64
3.09B
702.63
3.74B
689.61
3.08B
676.60
2.28B
663.59
2.04B
650.58
1.72B
637.57
2.30B
624.56
2.36B
611.55
1.69B
598.53
1.14B
585.52
1.55B
572.51
2.87B
559.50
3.31B
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.