CPII vs. MGNR

Last updated Aug 2, 2026

CPII (American Beacon Ionic Inflation Protection ETF) and MGNR (American Beacon GLG Natural Resources ETF) are both exchange-traded funds - CPII is a Inflation-Protected Bonds fund actively managed by American Beacon, while MGNR is a Energy Equities fund actively managed by American Beacon. Both are actively managed. Over the past year, CPII returned 2.81% vs 50.92% for MGNR. Their -0.01 correlation means they have often moved in opposite directions in the past. CPII charges 0.74%/yr vs 0.75%/yr for MGNR.

Performance

CPII vs. MGNR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Beacon Ionic Inflation Protection ETF (CPII) and American Beacon GLG Natural Resources ETF (MGNR). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CPII achieves a 2.87% return, which is significantly lower than MGNR's 11.03% return.

CPII

• 1D: -0.16%
• 1M: -0.11%
• 6M: 1.90%
• YTD: 2.87%
• 1Y: 2.81%
• 3Y*: 4.03%
• 5Y*: —
• 10Y*: —
• ALL TIME*: 3.54%

MGNR

• 1D: -0.83%
• 1M: 0.98%
• 6M: -0.03%
• YTD: 11.03%
• 1Y: 50.92%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 33.68%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
CPII American Beacon Ionic Inflation Protection ETF	$7.03K	$4.83K	$26.18K
MGNR American Beacon GLG Natural Resources ETF	$4.07M	$4.59M	$4.62M

CPII vs. MGNR - Yearly Performance Comparison

	2026 (YTD)	2025	2024
CPII American Beacon Ionic Inflation Protection ETF	2.87%	2.76%	4.22%
MGNR American Beacon GLG Natural Resources ETF	11.03%	50.57%	22.90%

Correlation

The correlation between CPII and MGNR is -0.08, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	-0.08
Correlation (All Time) Calculated using the full available price history since Feb 6, 2024	-0.01

Return for Risk

CPII vs. MGNR — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

CPII

CPII Risk / Return Rank: 36
CPII Sharpe Ratio Rank: 36
CPII Sortino Ratio Rank: 34
CPII Omega Ratio Rank: 35
CPII Calmar Ratio Rank: 39
CPII Martin Ratio Rank: 34

MGNR

MGNR Risk / Return Rank: 79
MGNR Sharpe Ratio Rank: 84
MGNR Sortino Ratio Rank: 76
MGNR Omega Ratio Rank: 79
MGNR Calmar Ratio Rank: 84
MGNR Martin Ratio Rank: 70

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

CPII vs. MGNR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Beacon Ionic Inflation Protection ETF (CPII) and American Beacon GLG Natural Resources ETF (MGNR). 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.

	CPII	MGNR	Difference
Sharpe ratio: Return per unit of total volatility	0.89	1.98	-1.09
Sortino ratio: Return per unit of downside risk	1.29	2.46	-1.17
Omega ratio: Gain probability vs. loss probability	1.17	1.33	-0.17
Calmar ratio: Return relative to maximum drawdown	1.38	3.19	-1.81
Martin ratio: Return relative to average drawdown	3.32	8.51	-5.19

CPII vs. MGNR - Sharpe Ratio Comparison

The current CPII Sharpe Ratio is 0.89, which is lower than the MGNR Sharpe Ratio of 1.98. The chart below compares the historical Sharpe Ratios of CPII and MGNR, 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

CPII vs. MGNR - Drawdown Comparison

The maximum CPII drawdown since its inception was -6.40%, smaller than the maximum MGNR drawdown of -22.06%. Use the drawdown chart below to compare losses from any high point for CPII and MGNR.

Drawdown Indicators

	CPII	MGNR	Difference
Max Drawdown Largest peak-to-trough decline	-6.40%	-22.06%	+15.66%
Max Drawdown (1Y) Largest decline over 1 year	-2.13%	-15.51%	+13.38%
Max Drawdown (3Y) Largest decline over 3 years	-4.39%	—	—
Current Drawdown Current decline from peak	-1.74%	-13.36%	+11.62%
Average Drawdown Average peak-to-trough decline	-1.61%	-4.38%	+2.77%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.88%	5.80%	-4.92%

Volatility

CPII vs. MGNR - Volatility Comparison

The current volatility for American Beacon Ionic Inflation Protection ETF (CPII) is 0.95%, while American Beacon GLG Natural Resources ETF (MGNR) has a volatility of 6.60%. This indicates that CPII experiences smaller price fluctuations and is considered to be less risky than MGNR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CPII	MGNR	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.95%	6.60%	-5.65%
Volatility (6M) Calculated over the trailing 6-month period	2.95%	19.68%	-16.73%
Volatility (1Y) Calculated over the trailing 1-year period	3.34%	25.03%	-21.69%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.84%	25.20%	-19.36%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.84%	25.20%	-19.36%

CPII vs. MGNR - Expense Ratio Comparison

CPII has a 0.74% expense ratio, which is lower than MGNR's 0.75% expense ratio.

Dividends

CPII vs. MGNR - Dividend Comparison

CPII's dividend yield for the trailing twelve months is around 4.65%, more than MGNR's 0.84% yield.

Position	TTM	2025	2024	2023	2022
CPII American Beacon Ionic Inflation Protection ETF	4.65%	4.20%	5.47%	5.86%	2.21%
MGNR American Beacon GLG Natural Resources ETF	0.84%	1.17%	0.79%	0.00%	0.00%

Frequently Asked Questions

Can I hold both CPII and MGNR in my portfolio?

CPII and MGNR have a correlation of -0.08, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CPII or MGNR?

MGNR has higher volatility (6.60%) compared to CPII (0.95%). In terms of maximum drawdown, CPII dropped -6.40% vs MGNR's -22.06%.

Which ETF is better, CPII or MGNR?

On 1-year performance, MGNR leads with 50.92% vs 2.81% for CPII. On fees, CPII is cheaper at 0.74% per year. On volatility, CPII has been the lower-risk option at 0.95%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, CPII or MGNR?

Over the 1-year period, MGNR has performed better with a 50.92% return vs 2.81%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, CPII or MGNR?

CPII is cheaper with a 0.74% expense ratio, compared with 0.75% for MGNR.

Which ETF pays a higher dividend yield, CPII or MGNR?

CPII has the higher dividend yield at 4.65%, compared with 0.84% for MGNR.

What is the main difference between CPII and MGNR?

CPII is categorized as Inflation-Protected Bonds, while MGNR is Energy Equities. Their fees differ too: 0.74% for CPII and 0.75% for MGNR.

Which has better risk-adjusted returns?

MGNR currently has the higher Sharpe Ratio (1.98 vs 0.89), 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.