MBBA vs. CERY

Last updated Jun 5, 2026

MBBA (iShares Mortgage-Backed Securities Active ETF) and CERY (SPDR Bloomberg Enhanced Roll Yield Commodity Strategy No K-1 ETF) are both exchange-traded funds - MBBA is a Mortgage Backed Securities fund actively managed by iShares, while CERY is a Commodities fund tracking the Bloomberg Enhanced Roll Yield Total Return Index. MBBA is actively managed, while CERY is passively managed. At a correlation of -0.44, they often move in opposite directions. MBBA charges 0.25%/yr vs 0.28%/yr for CERY.

Performance

MBBA vs. CERY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Mortgage-Backed Securities Active ETF (MBBA) and SPDR Bloomberg Enhanced Roll Yield Commodity Strategy No K-1 ETF (CERY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

MBBA

• 1D: -0.10%
• 1M: 0.34%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

CERY

• 1D: -1.32%
• 1M: -3.05%
• YTD: 28.16%
• 6M: 28.35%
• 1Y: 42.29%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

MBBA vs. CERY - Yearly Performance Comparison

	2026 (YTD)
MBBA iShares Mortgage-Backed Securities Active ETF	0.54%
CERY SPDR Bloomberg Enhanced Roll Yield Commodity Strategy No K-1 ETF	16.60%

Correlation

The correlation between MBBA and CERY is -0.44, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (All Time) Calculated using the full available price history since Jan 27, 2026	-0.44

Return for Risk

MBBA vs. CERY — Risk / Return Rank

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

CERY

CERY Risk / Return Rank: 85
CERY Sharpe Ratio Rank: 85
CERY Sortino Ratio Rank: 79
CERY Omega Ratio Rank: 81
CERY Calmar Ratio Rank: 92
CERY Martin Ratio Rank: 89

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.

MBBA vs. CERY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Mortgage-Backed Securities Active ETF (MBBA) and SPDR Bloomberg Enhanced Roll Yield Commodity Strategy No K-1 ETF (CERY). 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	MBBA	CERY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	2.75	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.33	1.92	-1.59

Drawdowns

MBBA vs. CERY - Drawdown Comparison

The maximum MBBA drawdown since its inception was -2.83%, smaller than the maximum CERY drawdown of -10.05%. Use the drawdown chart below to compare losses from any high point for MBBA and CERY.

Drawdown Indicators

	MBBA	CERY	Difference
Max Drawdown Largest peak-to-trough decline	-2.83%	-10.05%	+7.22%
Max Drawdown (1Y) Largest decline over 1 year	—	-6.98%	—
Current Drawdown Current decline from peak	-1.27%	-4.99%	+3.72%
Average Drawdown Average peak-to-trough decline	-1.12%	-2.11%	+0.99%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	2.17%	—

Volatility

Volatility by Period

	MBBA	CERY	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	5.08%	—
Volatility (6M) Calculated over the trailing 6-month period	—	13.37%	—
Volatility (1Y) Calculated over the trailing 1-year period	4.64%	15.44%	-10.80%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.64%	14.73%	-10.09%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.64%	14.73%	-10.09%

MBBA vs. CERY - Expense Ratio Comparison

MBBA has a 0.25% expense ratio, which is lower than CERY's 0.28% expense ratio.

Dividends

MBBA vs. CERY - Dividend Comparison

MBBA's dividend yield for the trailing twelve months is around 1.84%, less than CERY's 3.90% yield.

Position	TTM	2025	2024
CERY SPDR Bloomberg Enhanced Roll Yield Commodity Strategy No K-1 ETF	3.90%	4.99%	0.52%
MBBA iShares Mortgage-Backed Securities Active ETF	1.84%	0.00%	0.00%

Frequently Asked Questions

Can I hold both MBBA and CERY in my portfolio?

MBBA and CERY have a correlation of -0.44, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, MBBA or CERY?

On fees, MBBA is cheaper at 0.25% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, MBBA or CERY?

MBBA is cheaper with a 0.25% expense ratio, compared with 0.28% for CERY.

Which ETF pays a higher dividend yield, MBBA or CERY?

CERY has the higher dividend yield at 3.90%, compared with 1.84% for MBBA.

What is the main difference between MBBA and CERY?

MBBA is categorized as Mortgage Backed Securities, while CERY is Commodities. They also come from different issuers: iShares and State Street. Their fees differ too: 0.25% for MBBA and 0.28% for CERY.