BLBD vs. NGS
BLBD (Blue Bird Corporation) and NGS (Natural Gas Services Group, Inc.) are both stocks. BLBD operates in Auto Manufacturers (Consumer Cyclical), while NGS operates in Oil & Gas Equipment & Services (Energy). Over the past 10 years, BLBD returned 20.54%/yr vs 6.52%/yr for NGS. At a 0.21 correlation, their price movements are largely independent.
Performance
BLBD vs. NGS - Performance Comparison
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Returns By Period
In the year-to-date period, BLBD achieves a 61.51% return, which is significantly higher than NGS's 29.60% return. Over the past 10 years, BLBD has outperformed NGS with an annualized return of 20.54%, while NGS has yielded a comparatively lower 6.52% annualized return.
BLBD
- 1D
- 2.59%
- 1M
- 14.49%
- YTD
- 61.51%
- 6M
- 44.95%
- 1Y
- 80.87%
- 3Y*
- 53.13%
- 5Y*
- 23.59%
- 10Y*
- 20.54%
NGS
- 1D
- 2.92%
- 1M
- 1.93%
- YTD
- 29.60%
- 6M
- 33.44%
- 1Y
- 63.19%
- 3Y*
- 64.85%
- 5Y*
- 32.53%
- 10Y*
- 6.52%
BLBD vs. NGS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BLBD Blue Bird Corporation | 61.51% | 21.67% | 43.29% | 151.73% | -31.52% | -14.35% | -20.33% | 26.00% | -8.59% | 28.80% |
NGS Natural Gas Services Group, Inc. | 29.60% | 26.53% | 66.67% | 40.31% | 9.46% | 10.44% | -22.68% | -25.43% | -37.25% | -18.51% |
Correlation
The correlation between BLBD and NGS 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
BLBD:
$2.47B
NGS:
$552.28M
BLBD:
$4.07
NGS:
$1.72
BLBD:
18.63
NGS:
25.18
BLBD:
0.18
NGS:
0.13
BLBD:
1.66
NGS:
3.06
BLBD:
8.30
NGS:
1.97
BLBD:
$1.49B
NGS:
$179.40M
BLBD:
$314.22M
NGS:
$87.76M
BLBD:
$181.06M
NGS:
$69.86M
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Return for Risk
BLBD vs. NGS — Risk / Return Rank
BLBD
NGS
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.
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.
| BLBD | NGS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.03 | ||
| Sortino ratioReturn per unit of downside risk | +0.24 | ||
| Omega ratioGain probability vs. loss probability | 1.34 | 1.32 | +0.03 |
| Calmar ratioReturn relative to maximum drawdown | 3.47 | 4.73 | -1.27 |
| Martin ratioReturn relative to average drawdown | 7.81 | 13.71 | -5.90 |
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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.
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Drawdown Indicators
| BLBD | NGS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -74.16% | -89.59% | +15.43% |
Max Drawdown (1Y)Largest decline over 1 year | -23.45% | -13.42% | -10.03% |
Max Drawdown (3Y)Largest decline over 3 years | -45.95% | -40.89% | -5.06% |
Max Drawdown (5Y)Largest decline over 5 years | -73.24% | -40.89% | -32.35% |
Max Drawdown (10Y)Largest decline over 10 years | -74.16% | -87.91% | +13.75% |
Current DrawdownCurrent decline from peak | 0.00% | -0.57% | +0.57% |
Average DrawdownAverage peak-to-trough decline | -20.55% | -47.53% | +26.98% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 10.39% | 4.66% | +5.73% |
Volatility
BLBD vs. NGS - Volatility Comparison
Blue Bird Corporation (BLBD) and Natural Gas Services Group, Inc. (NGS) have volatilities of 10.60% and 10.84%, 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
| BLBD | NGS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.60% | 10.84% | -0.24% |
Volatility (6M)Calculated over the trailing 6-month period | 31.71% | 22.41% | +9.30% |
Volatility (1Y)Calculated over the trailing 1-year period | 43.02% | 33.05% | +9.97% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 56.73% | 44.10% | +12.63% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 51.32% | 46.23% | +5.09% |
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 1.08%.
| Position | TTM | 2025 |
|---|---|---|
BLBD Blue Bird Corporation | 0.00% | 0.00% |
NGS Natural Gas Services Group, Inc. | 1.08% | 0.62% |
Financials
BLBD vs. NGS - Financials Comparison
This section allows you to compare key financial metrics between Blue Bird Corporation and Natural Gas Services Group, Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
BLBD vs. NGS - Profitability Comparison
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 - 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 - 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 - 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 - 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%.
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%.
Frequently Asked Questions
BLBD and NGS 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.
NGS has higher volatility (10.84%) compared to BLBD (10.60%). In terms of maximum drawdown, BLBD dropped -74.16% vs NGS's -89.59%.
NGS currently has the higher Sharpe Ratio (1.93 vs 1.89), 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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