Southwest Airlines Co. (LUV)
Daily ERM3 factor decomposition: how much of LUV's variance is explained by the market, its sector, and its subsector — and the ETF notionals that would neutralize each layer.
- Price
- $38.69
- Market cap
- $19.3B
- 23-day vol
- 29.7%
- Sector proxy
- XLI
- Subsector proxy
- IYT
Risk DNA
35% of LUV's variance is systematic (explainable by market, sector, and subsector factors); the rest is stock-specific.
LUV carries 65% stock-specific risk against a peer average of 81% — less of what happens here is specific to this name than is typical for its cohort.
ETF hedge ratios
Dollars of ETF to short per $1 of LUV held — executable hedge weights, not regression betas. L1 hedges market only; L3 adds sector and subsector layers.
| Level | Market (SPY) | Sector (XLI) | Subsector (IYT) | Explained risk |
|---|---|---|---|---|
| L1 | $-1.78 | — | — | 18.3% |
| L2 | $-0.90 | $-0.92 | — | 25.0% |
| L3 | $-0.76 | $-0.46 | $-0.63 | 35.2% |
Data as of September 11, 2026. Updated daily from the ERM3 pipeline.
13F filers holding LUV
From the most recent quarterly 13F filings in our tracked filer universe, largest reported position first.
Browse every tracked 13F filer.
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