PH
Dark pool — off-exchange short volume
Short ratio (latest)
54.0%
20-day average
38.7%
Off-exchange share (20d)
38%
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
1004.34
2.03B
986.72
2.47B
969.10
2.59B
951.48
2.13B
933.86
3.26B
916.24
3.66B
898.62
3.92B
881.00
4.75B
863.38
3.78B
845.76
2.89B
828.14
2.26B
810.52
0.72B
792.90
0.02B
775.28
0.88B
757.66
3.81B
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.