LUV· Southwest Airlines
Dark pool · off-exchange short volume
Short ratio (latest)
59.5%
20-day average
62.6%
Off-exchange share (20d)
37%
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
44.73
3.96B
43.95
4.17B
43.16
4.43B
42.38
6.01B
41.59
5.84B
40.81
5.33B
40.02
3.42B
39.24
3.72B
38.46
3.20B
37.67
3.24B
36.89
4.46B
36.10
4.82B
35.32
5.00B
34.53
5.14B
33.75
5.83B
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.