The airline sector has the cheapest valuations vs. history

Airlines (AIRL), (NYSEARCA:JETS) is the cheapest sector when looking at historical valuations.

The group has a next-twelve-month P/E spread percentile in the 1% with a spread to the market at -13.9x.

On the other hand, aerospace and defense (ITA) is the most expensive, with a next-twelve-month P/E spread to the market at 12.9x and a spread percentile of 100%.

Wolfe Research analysts listed the cheapest and most expensive sector spreads relative to history:

Here are the top-rated airlines according to Seeking Alpha quant metrics:

1. United Airlines Holdings (UAL) – Quant rating: 4.94
2. International Consolidated Airlines Group (OTCPK:ICAGY) – Quant rating: 4.93
3. SkyWest (SKYW) – Quant rating: 4.88
4. American Airlines Group (AAL) – Quant rating: 4.84
5. Controladora Vuela Compania de Aviacion (VLRS) – Quant rating: 4.72
6. Deutsche Lufthansa (OTCQX:DLAKY) – Quant rating: 4.54
7. Delta Air Lines (DAL) – Quant rating: 4.44
8. Frontier Group Holdings (ULCC) – Quant rating: 4.34
9. Alaska Air Group (ALK) – Quant rating: 4.27
10. Joby Aviation (JOBY) – Quant rating: 4.15

Here are the top-rated aerospace and defense companies according to Seeking Alpha quant metrics:

1. Redwire Corp. (RDW) – Quant rating: 4.91
2. RTX Corp. (RTX) – Quant rating: 4.77
3. Triumph Group (TGI) – Quant rating: 4.77
4. General Electric Co. (GE) – Quant rating: 4.76
5. Northrop Grumman Corp. (NOC) – Quant rating: 4.69
6. MTU Aero Engines (OTCPK:MTUAY) – Quant rating: 4.67
7. Ducommun Inc. (DCO) – Quant rating: 3.93
8. Mercury Systems (MRCY) – Quant rating: 3.87
9. Bombardier (OTCQX:BDRBF) – Quant rating: 3.77
10. V2X Inc. (VVX) – Quant rating: 3.75