MTRN vs. ARRNF

Last updated Jun 9, 2026

MTRN (Materion Corporation) and ARRNF (American Rare Earths Limited) are both stocks. Both operate in the Other Industrial Metals & Mining industry within the Basic Materials sector. Over the past 5 years, MTRN returned 24.37%/yr vs 70.00%/yr for ARRNF. At a 0.11 correlation, their price movements are largely independent.

Performance

MTRN vs. ARRNF - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Materion Corporation (MTRN) and American Rare Earths Limited (ARRNF). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MTRN achieves a 81.69% return, which is significantly higher than ARRNF's 35.21% return.

MTRN

• 1D: 2.16%
• 1M: 13.19%
• YTD: 81.69%
• 6M: 83.28%
• 1Y: 183.57%
• 3Y*: 28.16%
• 5Y*: 24.37%
• 10Y*: 25.24%

ARRNF

• 1D: 1.45%
• 1M: 1.41%
• YTD: 35.21%
• 6M: 8.17%
• 1Y: 60.51%
• 3Y*: 37.22%
• 5Y*: 70.00%
• 10Y*: —

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

MTRN vs. ARRNF - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
MTRN Materion Corporation	81.69%	26.43%	-23.67%	49.41%	-4.25%	45.18%	3.66%
ARRNF American Rare Earths Limited	35.21%	23.89%	41.25%	-11.60%	4.42%	550.00%	-20.00%

Correlation

The correlation between MTRN and ARRNF is 0.09, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.09
Correlation (3Y) Calculated over the trailing 3-year period	0.13
Correlation (5Y) Calculated over the trailing 5-year period	0.12
Correlation (All Time) Calculated using the full available price history since Jul 23, 2020	0.11

Fundamentals

Market Cap MTRN : $4.74B ARRNF : $158.25M
EPS MTRN : $3.65 ARRNF : -$0.02
PB Ratio MTRN : 4.95 ARRNF : 3.28
Total Revenue (TTM) MTRN : $1.91B ARRNF : -$128.85K
Gross Profit (TTM) MTRN : $305.29M ARRNF : -$385.87K
EBITDA (TTM) MTRN : $166.65M ARRNF : -$12.72M

Return for Risk

MTRN vs. ARRNF — Risk / Return Rank

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

MTRN

MTRN Risk / Return Rank: 97
MTRN Sharpe Ratio Rank: 98
MTRN Sortino Ratio Rank: 96
MTRN Omega Ratio Rank: 96
MTRN Calmar Ratio Rank: 97
MTRN Martin Ratio Rank: 97

ARRNF

ARRNF Risk / Return Rank: 65
ARRNF Sharpe Ratio Rank: 59
ARRNF Sortino Ratio Rank: 75
ARRNF Omega Ratio Rank: 73
ARRNF Calmar Ratio Rank: 61
ARRNF Martin Ratio Rank: 55

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.

MTRN vs. ARRNF - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Materion Corporation (MTRN) and American Rare Earths Limited (ARRNF). 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.

	MTRN	ARRNF	Difference
Sharpe ratio: Return per unit of total volatility	4.26	0.48	+3.78
Sortino ratio: Return per unit of downside risk	4.21	1.95	+2.26
Omega ratio: Gain probability vs. loss probability	1.58	1.24	+0.34
Calmar ratio: Return relative to maximum drawdown	8.91	0.88	+8.03
Martin ratio: Return relative to average drawdown	27.70	1.23	+26.47
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MTRN vs. ARRNF - Sharpe Ratio Comparison

The current MTRN Sharpe Ratio is 4.26, which is higher than the ARRNF Sharpe Ratio of 0.48. The chart below compares the historical Sharpe Ratios of MTRN and ARRNF, 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

	MTRN	ARRNF	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	4.26	0.48	+3.78
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.60	0.22	+0.37
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.63	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.13	0.18	-0.05

Drawdowns

MTRN vs. ARRNF - Drawdown Comparison

The maximum MTRN drawdown since its inception was -87.53%, which is greater than ARRNF's maximum drawdown of -83.01%. Use the drawdown chart below to compare losses from any high point for MTRN and ARRNF.

Drawdown Indicators

	MTRN	ARRNF	Difference
Max Drawdown Largest peak-to-trough decline	-87.53%	-83.01%	-4.52%
Max Drawdown (1Y) Largest decline over 1 year	-20.73%	-69.13%	+48.40%
Max Drawdown (3Y) Largest decline over 3 years	-47.84%	-69.13%	+21.29%
Max Drawdown (5Y) Largest decline over 5 years	-47.84%	-83.01%	+35.17%
Max Drawdown (10Y) Largest decline over 10 years	-61.99%	—	—
Current Drawdown Current decline from peak	-1.95%	-58.26%	+56.31%
Average Drawdown Average peak-to-trough decline	-39.68%	-46.26%	+6.58%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.66%	49.30%	-42.64%

Volatility

MTRN vs. ARRNF - Volatility Comparison

The current volatility for Materion Corporation (MTRN) is 11.86%, while American Rare Earths Limited (ARRNF) has a volatility of 23.76%. This indicates that MTRN experiences smaller price fluctuations and is considered to be less risky than ARRNF based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MTRN	ARRNF	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.86%	23.76%	-11.90%
Volatility (6M) Calculated over the trailing 6-month period	32.38%	49.76%	-17.38%
Volatility (1Y) Calculated over the trailing 1-year period	43.43%	126.61%	-83.18%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	41.17%	314.61%	-273.44%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	40.13%	290.23%	-250.10%

Dividends

MTRN vs. ARRNF - Dividend Comparison

MTRN's dividend yield for the trailing twelve months is around 0.25%, while ARRNF has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ARRNF American Rare Earths Limited	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
MTRN Materion Corporation	0.25%	0.45%	0.54%	0.40%	0.57%	0.52%	0.71%	0.73%	0.92%	0.81%	0.95%	1.27%

Financials

Frequently Asked Questions

Can I hold both MTRN and ARRNF in my portfolio?

MTRN and ARRNF have a correlation of 0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MTRN or ARRNF?

ARRNF has higher volatility (23.76%) compared to MTRN (11.86%). In terms of maximum drawdown, MTRN dropped -87.53% vs ARRNF's -83.01%.

Which has better risk-adjusted returns?

MTRN currently has the higher Sharpe Ratio (4.26 vs 0.48), 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.