FIX

Dark pool — off-exchange short volume

GEX Back to dark pool

Short ratio (latest)

46.5%

20-day average

51.9%

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

1966.01

1.19B

1931.52

0.90B

1897.03

1.03B

1862.54

1.70B

1828.04

1.65B

1793.55

1.24B

1759.06

1.19B

1724.57

0.90B

1690.08

0.64B

1655.59

0.55B

1621.10

0.74B

1586.60

0.44B

1552.11

0.20B

1517.62

0.21B

1483.13

0.34B

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.