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Dark pool — off-exchange short volume

GEX Back to dark pool

Short ratio (latest)

41.6%

20-day average

40.0%

Off-exchange share (20d)

43%

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

976.54

5.50B

959.40

6.68B

942.27

6.82B

925.14

7.36B

908.01

11.0B

890.87

13.1B

873.74

14.8B

856.61

11.6B

839.48

8.06B

822.35

5.38B

805.21

3.99B

788.08

4.26B

770.95

4.61B

753.82

4.42B

736.68

6.15B

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.