GBX vs. WAB

Last updated Apr 2, 2026

Compare and contrast key facts about The Greenbrier Companies, Inc. (GBX) and Westinghouse Air Brake Technologies Corporation (WAB).

Performance

GBX vs. WAB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in The Greenbrier Companies, Inc. (GBX) and Westinghouse Air Brake Technologies Corporation (WAB). The values are adjusted to include any dividend payments, if applicable.

GBX vs. WAB - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
GBX The Greenbrier Companies, Inc.	13.20%	-21.33%	41.32%	36.32%	-24.80%	29.44%	17.62%	-15.52%	-24.34%	30.82%
WAB Westinghouse Air Brake Technologies Corporation	20.09%	13.15%	50.14%	27.96%	9.07%	26.53%	-5.23%	11.46%	-13.26%	-1.36%

Fundamentals

Market Cap GBX : $1.68B WAB : $43.78B
EPS GBX : $5.85 WAB : $7.87
PE Ratio GBX : 8.98 WAB : 32.55
PEG Ratio GBX : 0.13 WAB : 0.74
PS Ratio GBX : 0.71 WAB : 3.92
PB Ratio GBX : 1.09 WAB : 3.91
Total Revenue (TTM) GBX : $2.36B WAB : $11.17B
Gross Profit (TTM) GBX : $428.00M WAB : $3.81B
EBITDA (TTM) GBX : $432.30M WAB : $2.18B

Returns By Period

In the year-to-date period, GBX achieves a 13.20% return, which is significantly lower than WAB's 20.09% return. Over the past 10 years, GBX has underperformed WAB with an annualized return of 10.00%, while WAB has yielded a comparatively higher 12.95% annualized return.

GBX

• 1D: -0.13%
• 1M: -7.75%
• YTD: 13.20%
• 6M: 15.15%
• 1Y: 5.97%
• 3Y*: 20.99%
• 5Y*: 4.61%
• 10Y*: 10.00%

WAB

• 1D: 2.45%
• 1M: -2.90%
• YTD: 20.09%
• 6M: 29.26%
• 1Y: 40.10%
• 3Y*: 37.05%
• 5Y*: 27.23%
• 10Y*: 12.95%

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

Return for Risk

GBX vs. WAB — Risk / Return Rank

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

GBX

GBX Risk / Return Rank: 44
GBX Sharpe Ratio Rank: 45
GBX Sortino Ratio Rank: 42
GBX Omega Ratio Rank: 42
GBX Calmar Ratio Rank: 46
GBX Martin Ratio Rank: 45

WAB

WAB Risk / Return Rank: 82
WAB Sharpe Ratio Rank: 84
WAB Sortino Ratio Rank: 80
WAB Omega Ratio Rank: 80
WAB Calmar Ratio Rank: 85
WAB Martin Ratio Rank: 82

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.

GBX vs. WAB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for The Greenbrier Companies, Inc. (GBX) and Westinghouse Air Brake Technologies Corporation (WAB). 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.

	GBX	WAB	Difference
Sharpe ratio Return per unit of total volatility	0.15	1.50	-1.35
Sortino ratio Return per unit of downside risk	0.53	2.13	-1.60
Omega ratio Gain probability vs. loss probability	1.07	1.29	-0.22
Calmar ratio Return relative to maximum drawdown	0.21	3.03	-2.82
Martin ratio Return relative to average drawdown	0.35	6.71	-6.36
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

GBX vs. WAB - Sharpe Ratio Comparison

The current GBX Sharpe Ratio is 0.15, which is lower than the WAB Sharpe Ratio of 1.50. The chart below compares the historical Sharpe Ratios of GBX and WAB, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	GBX	WAB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.15	1.50	-1.35
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.11	1.07	-0.96
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.22	0.42	-0.19
Sharpe Ratio (All Time) Calculated using the full available price history	0.12	0.35	-0.23

Correlation

The correlation between GBX and WAB is 0.43, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

GBX vs. WAB - Dividend Comparison

GBX's dividend yield for the trailing twelve months is around 2.43%, more than WAB's 0.41% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
GBX The Greenbrier Companies, Inc.	2.43%	2.70%	1.97%	2.58%	3.22%	2.35%	2.97%	3.08%	2.48%	1.65%	1.97%	1.99%
WAB Westinghouse Air Brake Technologies Corporation	0.41%	0.47%	0.42%	0.54%	0.60%	0.52%	0.66%	0.62%	0.68%	0.54%	0.43%	0.39%

Drawdowns

GBX vs. WAB - Drawdown Comparison

The maximum GBX drawdown since its inception was -95.61%, which is greater than WAB's maximum drawdown of -71.85%. Use the drawdown chart below to compare losses from any high point for GBX and WAB.

Drawdown Indicators

	GBX	WAB	Difference
Max Drawdown Largest peak-to-trough decline	-95.61%	-71.85%	-23.76%
Max Drawdown (1Y) Largest decline over 1 year	-26.98%	-13.82%	-13.16%
Max Drawdown (5Y) Largest decline over 5 years	-53.88%	-23.55%	-30.33%
Max Drawdown (10Y) Largest decline over 10 years	-78.68%	-64.08%	-14.60%
Current Drawdown Current decline from peak	-23.17%	-3.30%	-19.87%
Average Drawdown Average peak-to-trough decline	-39.33%	-24.10%	-15.23%
Ulcer Index Depth and duration of drawdowns from previous peaks	15.77%	6.24%	+9.53%

Volatility

GBX vs. WAB - Volatility Comparison

The current volatility for The Greenbrier Companies, Inc. (GBX) is 6.07%, while Westinghouse Air Brake Technologies Corporation (WAB) has a volatility of 9.13%. This indicates that GBX experiences smaller price fluctuations and is considered to be less risky than WAB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GBX	WAB	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.07%	9.13%	-3.06%
Volatility (6M) Calculated over the trailing 6-month period	20.99%	15.94%	+5.05%
Volatility (1Y) Calculated over the trailing 1-year period	39.84%	26.93%	+12.91%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	42.84%	25.61%	+17.23%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	44.84%	31.23%	+13.61%

Financials