SMP vs. AMGN

Last updated Jun 4, 2026

SMP (Standard Motor Products, Inc.) and AMGN (Amgen Inc.) are both stocks. SMP operates in Auto Parts (Consumer Cyclical), while AMGN operates in Drug Manufacturers - General (Healthcare). Over the past 10 years, SMP returned 2.70%/yr vs 11.09%/yr for AMGN. At a 0.17 correlation, their price movements are largely independent.

Performance

SMP vs. AMGN - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Standard Motor Products, Inc. (SMP) and Amgen Inc. (AMGN). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SMP achieves a 7.16% return, which is significantly higher than AMGN's 4.83% return. Over the past 10 years, SMP has underperformed AMGN with an annualized return of 2.70%, while AMGN has yielded a comparatively higher 11.09% annualized return.

SMP

• 1D: -0.13%
• 1M: 4.97%
• YTD: 7.16%
• 6M: 5.78%
• 1Y: 36.30%
• 3Y*: 5.09%
• 5Y*: -0.94%
• 10Y*: 2.70%

AMGN

• 1D: 3.03%
• 1M: 5.23%
• YTD: 4.83%
• 6M: -0.66%
• 1Y: 20.31%
• 3Y*: 19.36%
• 5Y*: 10.82%
• 10Y*: 11.09%

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

SMP vs. AMGN - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SMP Standard Motor Products, Inc.	7.16%	23.38%	-19.44%	18.03%	-31.79%	32.31%	-23.20%	11.97%	9.75%	-14.22%
AMGN Amgen Inc.	4.83%	29.67%	-6.77%	13.46%	20.43%	0.87%	-1.99%	27.60%	15.23%	22.27%

Correlation

The correlation between SMP and AMGN is 0.29, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.29
Correlation (3Y) Calculated over the trailing 3-year period	0.25
Correlation (5Y) Calculated over the trailing 5-year period	0.22
Correlation (10Y) Calculated over the trailing 10-year period	0.23
Correlation (All Time) Calculated using the full available price history since Dec 31, 1987	0.17

The correlation between SMP and AMGN shifts across timeframes, from 0.17 (all time) to 0.29 (1 year), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap SMP : $882.89M AMGN : $183.99B
EPS SMP : $3.72 AMGN : $14.38
PE Ratio SMP : 10.46 AMGN : 23.52
PS Ratio SMP : 0.48 AMGN : 4.93
PB Ratio SMP : 1.27 AMGN : 20.02
Total Revenue (TTM) SMP : $1.83B AMGN : $37.24B
Gross Profit (TTM) SMP : $559.86M AMGN : $26.61B
EBITDA (TTM) SMP : $182.01M AMGN : $17.27B

Return for Risk

SMP vs. AMGN — Risk / Return Rank

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

SMP

SMP Risk / Return Rank: 70
SMP Sharpe Ratio Rank: 74
SMP Sortino Ratio Rank: 70
SMP Omega Ratio Rank: 67
SMP Calmar Ratio Rank: 69
SMP Martin Ratio Rank: 70

AMGN

AMGN Risk / Return Rank: 62
AMGN Sharpe Ratio Rank: 64
AMGN Sortino Ratio Rank: 60
AMGN Omega Ratio Rank: 58
AMGN Calmar Ratio Rank: 65
AMGN Martin Ratio Rank: 65

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.

SMP vs. AMGN - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Standard Motor Products, Inc. (SMP) and Amgen Inc. (AMGN). 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.

	SMP	AMGN	Difference
Sharpe ratio Return per unit of total volatility	1.13	0.75	+0.38
Sortino ratio Return per unit of downside risk	1.79	1.29	+0.50
Omega ratio Gain probability vs. loss probability	1.21	1.16	+0.05
Calmar ratio Return relative to maximum drawdown	1.62	1.23	+0.39
Martin ratio Return relative to average drawdown	3.74	2.91	+0.83
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SMP vs. AMGN - Sharpe Ratio Comparison

The current SMP Sharpe Ratio is 1.13, which is higher than the AMGN Sharpe Ratio of 0.75. The chart below compares the historical Sharpe Ratios of SMP and AMGN, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	SMP	AMGN	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.13	0.75	+0.38
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.03	0.46	-0.49
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.09	0.45	-0.36
Sharpe Ratio (All Time) Calculated using the full available price history	0.12	0.61	-0.48

Drawdowns

SMP vs. AMGN - Drawdown Comparison

The maximum SMP drawdown since its inception was -93.42%, which is greater than AMGN's maximum drawdown of -63.48%. Use the drawdown chart below to compare losses from any high point for SMP and AMGN.

Drawdown Indicators

	SMP	AMGN	Difference
Max Drawdown Largest peak-to-trough decline	-93.42%	-63.48%	-29.94%
Max Drawdown (1Y) Largest decline over 1 year	-22.56%	-16.57%	-5.99%
Max Drawdown (3Y) Largest decline over 3 years	-44.82%	-22.74%	-22.08%
Max Drawdown (5Y) Largest decline over 5 years	-55.58%	-24.86%	-30.72%
Max Drawdown (10Y) Largest decline over 10 years	-55.58%	-24.86%	-30.72%
Current Drawdown Current decline from peak	-17.67%	-12.21%	-5.46%
Average Drawdown Average peak-to-trough decline	-31.70%	-16.78%	-14.92%
Ulcer Index Depth and duration of drawdowns from previous peaks	9.74%	7.00%	+2.74%

Volatility

SMP vs. AMGN - Volatility Comparison

Standard Motor Products, Inc. (SMP) has a higher volatility of 10.83% compared to Amgen Inc. (AMGN) at 6.10%. This indicates that SMP's price experiences larger fluctuations and is considered to be riskier than AMGN based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SMP	AMGN	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.83%	6.10%	+4.73%
Volatility (6M) Calculated over the trailing 6-month period	22.14%	19.13%	+3.01%
Volatility (1Y) Calculated over the trailing 1-year period	32.39%	27.24%	+5.15%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	31.61%	23.86%	+7.75%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	31.39%	24.81%	+6.58%

Dividends

SMP vs. AMGN - Dividend Comparison

SMP's dividend yield for the trailing twelve months is around 3.29%, more than AMGN's 2.90% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AMGN Amgen Inc.	2.90%	2.91%	3.45%	2.96%	2.95%	3.13%	2.78%	2.41%	2.71%	2.65%	2.74%	1.95%
SMP Standard Motor Products, Inc.	3.29%	3.36%	3.74%	2.91%	3.10%	1.91%	1.24%	1.73%	1.73%	1.69%	1.28%	1.58%

Financials

SMP vs. AMGN - Profitability Comparison

The chart below illustrates the profitability comparison between Standard Motor Products, Inc. and Amgen Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

SMP - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Standard Motor Products, Inc. reported a gross profit of 139.17M and revenue of 451.17M. Therefore, the gross margin over that period was 30.9%.

AMGN - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Amgen Inc. reported a gross profit of 5.87B and revenue of 8.62B. Therefore, the gross margin over that period was 68.2%.

SMP - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Standard Motor Products, Inc. reported an operating income of 34.09M and revenue of 451.17M, resulting in an operating margin of 7.6%.

AMGN - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Amgen Inc. reported an operating income of 2.67B and revenue of 8.62B, resulting in an operating margin of 30.9%.

SMP - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Standard Motor Products, Inc. reported a net income of 18.47M and revenue of 451.17M, resulting in a net margin of 4.1%.

AMGN - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Amgen Inc. reported a net income of 1.82B and revenue of 8.62B, resulting in a net margin of 21.1%.

Frequently Asked Questions

Can I hold both SMP and AMGN in my portfolio?

SMP and AMGN have a correlation of 0.29, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SMP or AMGN?

SMP has higher volatility (10.83%) compared to AMGN (6.10%). In terms of maximum drawdown, SMP dropped -93.42% vs AMGN's -63.48%.

Which has better risk-adjusted returns?

SMP currently has the higher Sharpe Ratio (1.13 vs 0.75), 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.