THRM vs. BLBD

Last updated Jun 24, 2026

THRM (Gentherm Incorporated) and BLBD (Blue Bird Corporation) are both stocks. Both are in the Consumer Cyclical sector — THRM in Auto Parts, BLBD in Auto Manufacturers. Over the past 10 years, THRM returned 0.17%/yr vs 20.19%/yr for BLBD. At a 0.34 correlation, their price movements are largely independent.

Performance

THRM vs. BLBD - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Gentherm Incorporated (THRM) and Blue Bird Corporation (BLBD). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, THRM achieves a -3.60% return, which is significantly lower than BLBD's 56.85% return. Over the past 10 years, THRM has underperformed BLBD with an annualized return of 0.17%, while BLBD has yielded a comparatively higher 20.19% annualized return.

THRM

• 1D: -0.54%
• 1M: 7.09%
• YTD: -3.60%
• 6M: -5.55%
• 1Y: 25.39%
• 3Y*: -14.13%
• 5Y*: -13.53%
• 10Y*: 0.17%

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)

THRM vs. BLBD - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
THRM Gentherm Incorporated	-3.60%	-8.90%	-23.75%	-19.80%	-24.87%	33.24%	46.92%	11.03%	25.92%	-6.20%
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 THRM and BLBD is 0.38, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.38
Correlation (3Y) Calculated over the trailing 3-year period	0.36
Correlation (5Y) Calculated over the trailing 5-year period	0.38
Correlation (10Y) Calculated over the trailing 10-year period	0.38
Correlation (All Time) Calculated using the full available price history since Mar 20, 2014	0.34

Fundamentals

Market Cap THRM : $1.08B BLBD : $2.40B
EPS THRM : $0.74 BLBD : $4.07
PE Ratio THRM : 47.68 BLBD : 18.10
PS Ratio THRM : 0.95 BLBD : 1.61
PB Ratio THRM : 1.51 BLBD : 8.06
Total Revenue (TTM) THRM : $1.14B BLBD : $1.49B
Gross Profit (TTM) THRM : $362.44M BLBD : $314.22M
EBITDA (TTM) THRM : $115.48M BLBD : $181.06M

Return for Risk

THRM vs. BLBD — Risk / Return Rank

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

THRM

THRM Risk / Return Rank: 61
THRM Sharpe Ratio Rank: 65
THRM Sortino Ratio Rank: 61
THRM Omega Ratio Rank: 58
THRM Calmar Ratio Rank: 61
THRM Martin Ratio Rank: 61

BLBD

BLBD Risk / Return Rank: 83
BLBD Sharpe Ratio Rank: 85
BLBD Sortino Ratio Rank: 83
BLBD Omega Ratio Rank: 82
BLBD Calmar Ratio Rank: 84
BLBD 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.

THRM vs. BLBD - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Gentherm Incorporated (THRM) 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.

	THRM	BLBD	Difference
Sharpe ratio: Return per unit of total volatility	0.69	1.68	-0.99
Sortino ratio: Return per unit of downside risk	1.23	2.44	-1.21
Omega ratio: Gain probability vs. loss probability	1.15	1.31	-0.17
Calmar ratio: Return relative to maximum drawdown	0.84	3.08	-2.24
Martin ratio: Return relative to average drawdown	1.87	6.94	-5.08

THRM vs. BLBD - Sharpe Ratio Comparison

The current THRM Sharpe Ratio is 0.69, which is lower than the BLBD Sharpe Ratio of 1.68. The chart below compares the historical Sharpe Ratios of THRM 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.

Drawdowns

THRM vs. BLBD - Drawdown Comparison

The maximum THRM drawdown since its inception was -99.08%, which is greater than BLBD's maximum drawdown of -74.16%. Use the drawdown chart below to compare losses from any high point for THRM and BLBD.

Drawdown Indicators

	THRM	BLBD	Difference
Max Drawdown Largest peak-to-trough decline	-99.08%	-74.16%	-24.92%
Max Drawdown (1Y) Largest decline over 1 year	-30.32%	-23.45%	-6.87%
Max Drawdown (3Y) Largest decline over 3 years	-64.70%	-45.95%	-18.75%
Max Drawdown (5Y) Largest decline over 5 years	-76.34%	-73.24%	-3.10%
Max Drawdown (10Y) Largest decline over 10 years	-76.34%	-74.16%	-2.18%
Current Drawdown Current decline from peak	-64.43%	-2.88%	-61.55%
Average Drawdown Average peak-to-trough decline	-61.30%	-20.54%	-40.76%
Ulcer Index Depth and duration of drawdowns from previous peaks	13.63%	10.39%	+3.24%

Volatility

THRM vs. BLBD - Volatility Comparison

Gentherm Incorporated (THRM) and Blue Bird Corporation (BLBD) have volatilities of 10.59% 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.

Volatility by Period

	THRM	BLBD	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.59%	11.13%	-0.54%
Volatility (6M) Calculated over the trailing 6-month period	27.91%	31.87%	-3.96%
Volatility (1Y) Calculated over the trailing 1-year period	37.08%	43.05%	-5.97%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	40.95%	56.75%	-15.80%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	38.56%	51.33%	-12.77%

Dividends

THRM vs. BLBD - Dividend Comparison

Neither THRM nor BLBD has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both THRM and BLBD in my portfolio?

THRM and BLBD have a correlation of 0.38, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, THRM or BLBD?

BLBD has higher volatility (11.13%) compared to THRM (10.59%). In terms of maximum drawdown, THRM dropped -99.08% vs BLBD's -74.16%.

Which has better risk-adjusted returns?

BLBD currently has the higher Sharpe Ratio (1.68 vs 0.69), 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.