TDY

Dark pool — off-exchange short volume

GEX Back to dark pool

Short ratio (latest)

61.8%

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

690.41

0.14B

678.29

0.44B

666.18

0.59B

654.07

1.20B

641.96

1.25B

629.84

1.58B

617.73

1.57B

605.62

0.82B

593.51

0.28B

581.40

0.57B

569.28

1.01B

557.17

1.66B

545.06

1.71B

532.95

0.87B

520.83

1.48B

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.