SKYW vs. LII

Last updated Jun 9, 2026

SKYW (SkyWest, Inc.) and LII (Lennox International Inc.) are both stocks. Both are in the Industrials sector — SKYW in Airlines, LII in Specialty Industrial Machinery. Over the past 10 years, SKYW returned 13.19%/yr vs 15.40%/yr for LII. At a 0.37 correlation, their price movements are largely independent.

Performance

SKYW vs. LII - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SkyWest, Inc. (SKYW) and Lennox International Inc. (LII). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SKYW achieves a -16.80% return, which is significantly lower than LII's 6.05% return. Over the past 10 years, SKYW has underperformed LII with an annualized return of 13.19%, while LII has yielded a comparatively higher 15.40% annualized return.

SKYW

• 1D: -1.07%
• 1M: -5.31%
• YTD: -16.80%
• 6M: -19.19%
• 1Y: -19.09%
• 3Y*: 34.98%
• 5Y*: 11.40%
• 10Y*: 13.19%

LII

• 1D: 0.99%
• 1M: -1.50%
• YTD: 6.05%
• 6M: 2.56%
• 1Y: -6.07%
• 3Y*: 20.35%
• 5Y*: 10.02%
• 10Y*: 15.40%

*Multi-year figures are annualized to reflect compound growth (CAGR)

SKYW vs. LII - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SKYW SkyWest, Inc.	-16.80%	0.28%	91.82%	216.17%	-57.99%	-2.51%	-37.31%	46.54%	-15.60%	46.83%
LII Lennox International Inc.	6.05%	-19.54%	37.27%	89.55%	-24.94%	19.71%	13.79%	12.78%	6.33%	37.43%

Correlation

The correlation between SKYW and LII is 0.42, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.42
Correlation (3Y) Calculated over the trailing 3-year period	0.40
Correlation (5Y) Calculated over the trailing 5-year period	0.39
Correlation (10Y) Calculated over the trailing 10-year period	0.37
Correlation (All Time) Calculated using the full available price history since Jul 30, 1999	0.37

Fundamentals

Market Cap SKYW : $3.40B LII : $17.97B
EPS SKYW : $10.42 LII : $22.20
PE Ratio SKYW : 8.02 LII : 23.13
PEG Ratio SKYW : 0.04 LII : 1.41
PS Ratio SKYW : 0.84 LII : 3.44
Total Revenue (TTM) SKYW : $4.12B LII : $5.26B
Gross Profit (TTM) SKYW : $1.73B LII : $1.74B
EBITDA (TTM) SKYW : $970.77M LII : $1.10B

Return for Risk

SKYW vs. LII — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

SKYW

SKYW Risk / Return Rank: 21
SKYW Sharpe Ratio Rank: 19
SKYW Sortino Ratio Rank: 19
SKYW Omega Ratio Rank: 20
SKYW Calmar Ratio Rank: 24
SKYW Martin Ratio Rank: 22

LII

LII Risk / Return Rank: 34
LII Sharpe Ratio Rank: 35
LII Sortino Ratio Rank: 31
LII Omega Ratio Rank: 31
LII Calmar Ratio Rank: 36
LII Martin Ratio Rank: 37

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

SKYW vs. LII - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SkyWest, Inc. (SKYW) and Lennox International Inc. (LII). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	SKYW	LII	Difference
Sharpe ratio: Return per unit of total volatility	-0.53	-0.18	-0.35
Sortino ratio: Return per unit of downside risk	-0.58	-0.01	-0.57
Omega ratio: Gain probability vs. loss probability	0.93	1.00	-0.06
Calmar ratio: Return relative to maximum drawdown	-0.52	-0.18	-0.34
Martin ratio: Return relative to average drawdown	-0.98	-0.29	-0.69
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SKYW vs. LII - Sharpe Ratio Comparison

The current SKYW Sharpe Ratio is -0.53, which is lower than the LII Sharpe Ratio of -0.18. The chart below compares the historical Sharpe Ratios of SKYW and LII, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	SKYW	LII	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.53	-0.18	-0.35
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.26	0.31	-0.05
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.26	0.53	-0.27
Sharpe Ratio (All Time) Calculated using the full available price history	0.24	0.43	-0.19

Drawdowns

SKYW vs. LII - Drawdown Comparison

The maximum SKYW drawdown since its inception was -81.77%, which is greater than LII's maximum drawdown of -62.76%. Use the drawdown chart below to compare losses from any high point for SKYW and LII.

Drawdown Indicators

	SKYW	LII	Difference
Max Drawdown Largest peak-to-trough decline	-81.77%	-62.76%	-19.01%
Max Drawdown (1Y) Largest decline over 1 year	-36.63%	-33.77%	-2.86%
Max Drawdown (3Y) Largest decline over 3 years	-36.63%	-34.71%	-1.92%
Max Drawdown (5Y) Largest decline over 5 years	-71.50%	-46.88%	-24.62%
Max Drawdown (10Y) Largest decline over 10 years	-81.77%	-46.88%	-34.89%
Current Drawdown Current decline from peak	-32.47%	-23.22%	-9.25%
Average Drawdown Average peak-to-trough decline	-35.43%	-14.50%	-20.93%
Ulcer Index Depth and duration of drawdowns from previous peaks	19.52%	20.72%	-1.20%

Volatility

SKYW vs. LII - Volatility Comparison

SkyWest, Inc. (SKYW) has a higher volatility of 10.85% compared to Lennox International Inc. (LII) at 9.20%. This indicates that SKYW's price experiences larger fluctuations and is considered to be riskier than LII based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SKYW	LII	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.85%	9.20%	+1.65%
Volatility (6M) Calculated over the trailing 6-month period	26.99%	25.88%	+1.11%
Volatility (1Y) Calculated over the trailing 1-year period	36.35%	34.85%	+1.50%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	43.54%	32.05%	+11.49%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	51.44%	29.27%	+22.17%

Dividends

SKYW vs. LII - Dividend Comparison

SKYW has not paid dividends to shareholders, while LII's dividend yield for the trailing twelve months is around 1.01%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
LII Lennox International Inc.	1.01%	1.04%	0.75%	0.97%	1.71%	1.09%	1.12%	1.21%	1.11%	0.94%	1.08%	1.10%
SKYW SkyWest, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.35%	0.74%	0.90%	0.60%	0.52%	0.84%

Financials

SKYW vs. LII - Profitability Comparison

The chart below illustrates the profitability comparison between SkyWest, Inc. and Lennox International Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

SKYW - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, SkyWest, Inc. reported a gross profit of 591.07M and revenue of 1.01B. Therefore, the gross margin over that period was 58.3%.

LII - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Lennox International Inc. reported a gross profit of 351.30M and revenue of 1.14B. Therefore, the gross margin over that period was 31.0%.

SKYW - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, SkyWest, Inc. reported an operating income of 123.69M and revenue of 1.01B, resulting in an operating margin of 12.2%.

LII - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Lennox International Inc. reported an operating income of 163.50M and revenue of 1.14B, resulting in an operating margin of 14.4%.

SKYW - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, SkyWest, Inc. reported a net income of 101.69M and revenue of 1.01B, resulting in a net margin of 10.0%.

LII - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Lennox International Inc. reported a net income of 117.20M and revenue of 1.14B, resulting in a net margin of 10.3%.

Frequently Asked Questions

Can I hold both SKYW and LII in my portfolio?

SKYW and LII have a correlation of 0.42, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SKYW or LII?

SKYW has higher volatility (10.85%) compared to LII (9.20%). In terms of maximum drawdown, SKYW dropped -81.77% vs LII's -62.76%.

Which has better risk-adjusted returns?

LII currently has the higher Sharpe Ratio (-0.18 vs -0.53), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.