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NGS vs. BLBD
Performance
Return for Risk
Drawdowns
Volatility
Dividends
Financials

Performance

NGS vs. BLBD - Performance Comparison

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

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Returns By Period

In the year-to-date period, NGS achieves a 31.99% return, which is significantly lower than BLBD's 56.85% return. Over the past 10 years, NGS has underperformed BLBD with an annualized return of 6.71%, while BLBD has yielded a comparatively higher 20.19% annualized return.


NGS

1D
1.85%
1M
3.81%
YTD
31.99%
6M
34.10%
1Y
72.28%
3Y*
65.86%
5Y*
33.01%
10Y*
6.71%

BLBD

1D
-2.88%
1M
11.19%
YTD
56.85%
6M
41.82%
1Y
71.92%
3Y*
51.64%
5Y*
22.32%
10Y*
20.19%
*Multi-year figures are annualized to reflect compound growth (CAGR)

NGS vs. BLBD - Yearly Performance Comparison


2026 (YTD)202520242023202220212020201920182017
NGS
Natural Gas Services Group, Inc.
31.99%26.53%66.67%40.31%9.46%10.44%-22.68%-25.43%-37.25%-18.51%
BLBD
Blue Bird Corporation
56.85%21.67%43.29%151.73%-31.52%-14.35%-20.33%26.00%-8.59%28.80%

Correlation

The correlation between NGS and BLBD is 0.15, which is low. Their price movements are largely independent, making them effective diversification partners.


Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.15

Correlation (3Y)
Calculated over the trailing 3-year period

0.16

Correlation (5Y)
Calculated over the trailing 5-year period

0.17

Correlation (10Y)
Calculated over the trailing 10-year period

0.22

Correlation (All Time)
Calculated using the full available price history since Mar 20, 2014

0.21

Fundamentals

Market Cap

NGS:

$562.48M

BLBD:

$2.40B

EPS

NGS:

$1.72

BLBD:

$4.07

PE Ratio

NGS:

25.64

BLBD:

18.10

PEG Ratio

NGS:

0.13

BLBD:

0.17

PS Ratio

NGS:

3.12

BLBD:

1.61

PB Ratio

NGS:

2.01

BLBD:

8.06

Total Revenue (TTM)

NGS:

$179.40M

BLBD:

$1.49B

Gross Profit (TTM)

NGS:

$87.76M

BLBD:

$314.22M

EBITDA (TTM)

NGS:

$69.86M

BLBD:

$181.06M

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Return for Risk

NGS vs. BLBD — Risk / Return Rank

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

NGS
NGS Risk / Return Rank: 9090
Overall Rank
NGS Sharpe Ratio Rank: 9090
Sharpe Ratio Rank
NGS Sortino Ratio Rank: 8686
Sortino Ratio Rank
NGS Omega Ratio Rank: 8686
Omega Ratio Rank
NGS Calmar Ratio Rank: 9393
Calmar Ratio Rank
NGS Martin Ratio Rank: 9494
Martin Ratio Rank

BLBD
BLBD Risk / Return Rank: 8383
Overall Rank
BLBD Sharpe Ratio Rank: 8585
Sharpe Ratio Rank
BLBD Sortino Ratio Rank: 8383
Sortino Ratio Rank
BLBD Omega Ratio Rank: 8282
Omega Ratio Rank
BLBD Calmar Ratio Rank: 8484
Calmar Ratio Rank
BLBD Martin Ratio Rank: 8282
Martin Ratio Rank
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.

NGS vs. BLBD - Risk-Adjusted Trends Comparison

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

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.


NGSBLBDDifference
Sharpe ratioReturn per unit of total volatility

+0.53

Sortino ratioReturn per unit of downside risk

+0.24

Omega ratioGain probability vs. loss probability

1.35

1.31

+0.04

Calmar ratioReturn relative to maximum drawdown

5.41

3.08

+2.33

Martin ratioReturn relative to average drawdown

15.68

6.94

+8.74

NGS vs. BLBD - Sharpe Ratio Comparison

The current NGS Sharpe Ratio is 2.21, which is higher than the BLBD Sharpe Ratio of 1.68. The chart below compares the historical Sharpe Ratios of NGS and BLBD, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.


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Drawdowns

NGS vs. BLBD - Drawdown Comparison

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


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Drawdown Indicators


NGSBLBDDifference

Max Drawdown

Largest peak-to-trough decline

-89.59%

-74.16%

-15.43%

Max Drawdown (1Y)

Largest decline over 1 year

-13.42%

-23.45%

+10.03%

Max Drawdown (3Y)

Largest decline over 3 years

-40.89%

-45.95%

+5.06%

Max Drawdown (5Y)

Largest decline over 5 years

-40.89%

-73.24%

+32.35%

Max Drawdown (10Y)

Largest decline over 10 years

-87.91%

-74.16%

-13.75%

Current Drawdown

Current decline from peak

0.00%

-2.88%

+2.88%

Average Drawdown

Average peak-to-trough decline

-47.52%

-20.54%

-26.98%

Ulcer Index

Depth and duration of drawdowns from previous peaks

4.62%

10.39%

-5.77%

Volatility

NGS vs. BLBD - Volatility Comparison

Natural Gas Services Group, Inc. (NGS) and Blue Bird Corporation (BLBD) have volatilities of 10.97% and 11.13%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.


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Volatility by Period


NGSBLBDDifference

Volatility (1M)

Calculated over the trailing 1-month period

10.97%

11.13%

-0.16%

Volatility (6M)

Calculated over the trailing 6-month period

22.36%

31.87%

-9.51%

Volatility (1Y)

Calculated over the trailing 1-year period

33.02%

43.05%

-10.03%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

44.11%

56.75%

-12.64%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

46.22%

51.33%

-5.11%

Dividends

NGS vs. BLBD - Dividend Comparison

NGS's dividend yield for the trailing twelve months is around 1.07%, while BLBD has not paid dividends to shareholders.


PositionTTM2025
BLBD
Blue Bird Corporation
0.00%0.00%
NGS
Natural Gas Services Group, Inc.
1.07%0.62%

Financials

NGS vs. BLBD - Financials Comparison

This section allows you to compare key financial metrics between Natural Gas Services Group, Inc. and Blue Bird Corporation. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.


Quarterly
Annual

Total Revenue: Total amount of money received from sales and other business activities


0.00100.00M200.00M300.00M400.00M20222023202420252026
48.47M
352.64M
(NGS) Total Revenue
(BLBD) Total Revenue
Values in USD except per share items

NGS vs. BLBD - Profitability Comparison

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

Gross Margin
Operating Margin
Net Margin
Quarterly
Annual

0.0%10.0%20.0%30.0%40.0%50.0%60.0%20222023202420252026
62.4%
20.0%
Portfolio components
NGS - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Natural Gas Services Group, Inc. reported a gross profit of 30.25M and revenue of 48.47M. Therefore, the gross margin over that period was 62.4%.

BLBD - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Blue Bird Corporation reported a gross profit of 70.65M and revenue of 352.64M. Therefore, the gross margin over that period was 20.0%.

NGS - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Natural Gas Services Group, Inc. reported an operating income of 13.07M and revenue of 48.47M, resulting in an operating margin of 27.0%.

BLBD - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Blue Bird Corporation reported an operating income of 39.12M and revenue of 352.64M, resulting in an operating margin of 11.1%.

NGS - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Natural Gas Services Group, Inc. reported a net income of 6.76M and revenue of 48.47M, resulting in a net margin of 14.0%.

BLBD - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Blue Bird Corporation reported a net income of 29.30M and revenue of 352.64M, resulting in a net margin of 8.3%.


Frequently Asked Questions


NGS and BLBD have a correlation of 0.15, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

BLBD has higher volatility (11.13%) compared to NGS (10.97%). In terms of maximum drawdown, NGS dropped -89.59% vs BLBD's -74.16%.

NGS currently has the higher Sharpe Ratio (2.21 vs 1.68), 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.

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