CAT

Dark pool — off-exchange short volume

GEX Back to dark pool

Short ratio (latest)

61.5%

20-day average

52.1%

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

945.67

0.20B

928.48

2.80B

911.28

6.36B

894.09

7.03B

876.89

4.96B

859.70

3.68B

842.51

0.87B

825.31

1.96B

808.12

1.76B

790.92

3.33B

773.73

4.87B

756.54

7.19B

739.34

4.12B

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.