LUV· Southwest Airlines

Dark pool · off-exchange short volume

Dark pool as of 2026-11-04 · latest session 2026-11-05

LUV's off-exchange short-volume ratio was 21.6% on 4 Nov 2026, below its 20-day average of 50.1%. Off-exchange trading was 35% of volume over the last 20 sessions. 9 sessions in the last six months had unusually large off-exchange dollar volume, the latest on 2 Nov 2026.

Short ratio (latest)

21.6%

20-day average

50.1%

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

49.53

4.18B

48.66

4.38B

47.80

5.98B

46.93

5.02B

46.06

4.09B

45.19

4.58B

44.32

4.58B

43.45

5.08B

42.58

6.73B

41.71

7.45B

40.84

6.63B

39.97

4.27B

39.11

4.43B

38.24

3.38B

37.37

4.19B

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.