HUM

Dark pool — off-exchange short volume

GEX Back to dark pool

Short ratio (latest)

55.6%

20-day average

58.4%

Off-exchange share (20d)

39%

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

418.51

7.37B

411.17

4.94B

403.83

3.79B

396.48

5.20B

389.14

5.71B

381.80

5.33B

374.46

4.64B

367.11

5.95B

359.77

6.85B

352.43

7.48B

345.09

8.65B

337.75

5.98B

330.40

2.95B

323.06

2.91B

315.72

3.46B

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.