BLBD vs. NGS

Last updated Apr 1, 2026

Compare and contrast key facts about Blue Bird Corporation (BLBD) and Natural Gas Services Group, Inc. (NGS).

Performance

BLBD vs. NGS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Blue Bird Corporation (BLBD) and Natural Gas Services Group, Inc. (NGS). The values are adjusted to include any dividend payments, if applicable.

BLBD vs. NGS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BLBD Blue Bird Corporation	20.83%	21.67%	43.29%	151.73%	-31.52%	-14.35%	-20.33%	26.00%	-8.59%	28.80%
NGS Natural Gas Services Group, Inc.	12.49%	26.53%	66.67%	40.31%	9.46%	10.44%	-22.68%	-25.43%	-37.25%	-18.51%

Fundamentals

Market Cap BLBD : $1.85B NGS : $479.11M
EPS BLBD : $3.97 NGS : $1.57
PE Ratio BLBD : 14.30 NGS : 23.99
PEG Ratio BLBD : 0.13 NGS : 0.12
PS Ratio BLBD : 1.24 NGS : 2.77
PB Ratio BLBD : 6.83 NGS : 1.74
Total Revenue (TTM) BLBD : $1.50B NGS : $172.32M
Gross Profit (TTM) BLBD : $314.43M NGS : $100.54M
EBITDA (TTM) BLBD : $188.65M NGS : $65.79M

Returns By Period

In the year-to-date period, BLBD achieves a 20.83% return, which is significantly higher than NGS's 12.49% return. Over the past 10 years, BLBD has outperformed NGS with an annualized return of 18.06%, while NGS has yielded a comparatively lower 6.14% annualized return.

BLBD

• 1D: 4.36%
• 1M: -2.54%
• YTD: 20.83%
• 6M: -1.32%
• 1Y: 75.44%
• 3Y*: 40.61%
• 5Y*: 16.25%
• 10Y*: 18.06%

NGS

• 1D: -1.20%
• 1M: -1.36%
• YTD: 12.49%
• 6M: 35.71%
• 1Y: 73.62%
• 3Y*: 54.67%
• 5Y*: 32.19%
• 10Y*: 6.14%

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

Return for Risk

BLBD vs. NGS — Risk / Return Rank

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

BLBD

BLBD Risk / Return Rank: 87
BLBD Sharpe Ratio Rank: 90
BLBD Sortino Ratio Rank: 90
BLBD Omega Ratio Rank: 86
BLBD Calmar Ratio Rank: 87
BLBD Martin Ratio Rank: 83

NGS

NGS Risk / Return Rank: 86
NGS Sharpe Ratio Rank: 88
NGS Sortino Ratio Rank: 83
NGS Omega Ratio Rank: 85
NGS Calmar Ratio Rank: 87
NGS Martin Ratio Rank: 90

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.

BLBD vs. NGS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Blue Bird Corporation (BLBD) and Natural Gas Services Group, Inc. (NGS). 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.

	BLBD	NGS	Difference
Sharpe ratio Return per unit of total volatility	1.86	1.72	+0.14
Sortino ratio Return per unit of downside risk	2.76	2.25	+0.51
Omega ratio Gain probability vs. loss probability	1.34	1.33	+0.01
Calmar ratio Return relative to maximum drawdown	3.09	3.26	-0.17
Martin ratio Return relative to average drawdown	7.03	10.41	-3.38
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BLBD vs. NGS - Sharpe Ratio Comparison

The current BLBD Sharpe Ratio is 1.86, which is comparable to the NGS Sharpe Ratio of 1.72. The chart below compares the historical Sharpe Ratios of BLBD and NGS, 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

	BLBD	NGS	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.86	1.72	+0.14
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.29	0.73	-0.45
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.36	0.13	+0.22
Sharpe Ratio (All Time) Calculated using the full available price history	0.34	0.19	+0.14

Correlation

The correlation between BLBD and NGS is 0.22, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

BLBD vs. NGS - Dividend Comparison

BLBD has not paid dividends to shareholders, while NGS's dividend yield for the trailing twelve months is around 0.85%.

	TTM	2025
BLBD Blue Bird Corporation	0.00%	0.00%
NGS Natural Gas Services Group, Inc.	0.85%	0.62%

Drawdowns

BLBD vs. NGS - Drawdown Comparison

The maximum BLBD drawdown since its inception was -74.16%, smaller than the maximum NGS drawdown of -89.59%. Use the drawdown chart below to compare losses from any high point for BLBD and NGS.

Drawdown Indicators

	BLBD	NGS	Difference
Max Drawdown Largest peak-to-trough decline	-74.16%	-89.59%	+15.43%
Max Drawdown (1Y) Largest decline over 1 year	-23.45%	-23.09%	-0.36%
Max Drawdown (5Y) Largest decline over 5 years	-74.16%	-40.89%	-33.27%
Max Drawdown (10Y) Largest decline over 10 years	-74.16%	-87.91%	+13.75%
Current Drawdown Current decline from peak	-8.89%	-5.22%	-3.67%
Average Drawdown Average peak-to-trough decline	-20.88%	-47.82%	+26.94%
Ulcer Index Depth and duration of drawdowns from previous peaks	10.31%	7.24%	+3.07%

Volatility

BLBD vs. NGS - Volatility Comparison

The current volatility for Blue Bird Corporation (BLBD) is 10.12%, while Natural Gas Services Group, Inc. (NGS) has a volatility of 11.01%. This indicates that BLBD experiences smaller price fluctuations and is considered to be less risky than NGS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BLBD	NGS	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.12%	11.01%	-0.89%
Volatility (6M) Calculated over the trailing 6-month period	27.65%	23.26%	+4.39%
Volatility (1Y) Calculated over the trailing 1-year period	40.82%	43.04%	-2.22%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	56.67%	44.07%	+12.60%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	50.91%	46.38%	+4.53%

Financials

BLBD vs. NGS - Profitability Comparison

The chart below illustrates the profitability comparison between Blue Bird Corporation and Natural Gas Services Group, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

BLBD - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Blue Bird Corporation reported a gross profit of 71.23M and revenue of 333.08M. Therefore, the gross margin over that period was 21.4%.

NGS - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Natural Gas Services Group, Inc. reported a gross profit of 35.20M and revenue of 46.15M. Therefore, the gross margin over that period was 76.3%.

BLBD - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Blue Bird Corporation reported an operating income of 37.68M and revenue of 333.08M, resulting in an operating margin of 11.3%.

NGS - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Natural Gas Services Group, Inc. reported an operating income of 7.11M and revenue of 46.15M, resulting in an operating margin of 15.4%.

BLBD - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Blue Bird Corporation reported a net income of 30.76M and revenue of 333.08M, resulting in a net margin of 9.2%.

NGS - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Natural Gas Services Group, Inc. reported a net income of 4.10M and revenue of 46.15M, resulting in a net margin of 8.9%.