SPXB vs. MTUM

Last updated Jun 24, 2026

SPXB (ProShares S&P 500 Bond ETF) and MTUM (iShares MSCI USA Momentum Factor ETF) are both exchange-traded funds - SPXB is a Corporate Bonds fund tracking the S&P 500 MarketAxess Investment Grade Corporate Bond Index, while MTUM is a Momentum fund tracking the MSCI USA Momentum SR Variant Index. Both are passively managed. At a 0.15 correlation, their price movements are largely independent. Both charge a 0.15% expense ratio.

Performance

SPXB vs. MTUM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProShares S&P 500 Bond ETF (SPXB) and iShares MSCI USA Momentum Factor ETF (MTUM). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

SPXB

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

MTUM

• 1D: -4.48%
• 1M: 8.74%
• YTD: 32.00%
• 6M: 29.92%
• 1Y: 41.78%
• 3Y*: 33.87%
• 5Y*: 15.18%
• 10Y*: 17.49%

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

SPXB vs. MTUM - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
SPXB ProShares S&P 500 Bond ETF	0.00%	0.00%	-3.45%	8.83%	-16.66%	-1.89%	10.33%	15.34%	1.05%
MTUM iShares MSCI USA Momentum Factor ETF	32.00%	22.15%	32.89%	9.15%	-18.27%	13.36%	29.86%	27.25%	-4.72%

Correlation

The correlation between SPXB and MTUM is 0.15, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (3Y) Calculated over the trailing 3-year period	0.08
Correlation (5Y) Calculated over the trailing 5-year period	0.12
Correlation (All Time) Calculated using the full available price history since May 3, 2018	0.15

Return for Risk

SPXB vs. MTUM — Risk / Return Rank

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

SPXB

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

MTUM

MTUM Risk / Return Rank: 64
MTUM Sharpe Ratio Rank: 59
MTUM Sortino Ratio Rank: 54
MTUM Omega Ratio Rank: 59
MTUM Calmar Ratio Rank: 74
MTUM Martin Ratio Rank: 76

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.

SPXB vs. MTUM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProShares S&P 500 Bond ETF (SPXB) and iShares MSCI USA Momentum Factor ETF (MTUM). 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.

	SPXB	MTUM	Difference
Sharpe ratio: Return per unit of total volatility	—	1.92	—
Sortino ratio: Return per unit of downside risk	—	2.53	—
Omega ratio: Gain probability vs. loss probability	—	1.35	—
Calmar ratio: Return relative to maximum drawdown	—	3.64	—
Martin ratio: Return relative to average drawdown	—	13.91	—

Drawdowns

Drawdown Indicators

	SPXB	MTUM	Difference
Max Drawdown Largest peak-to-trough decline	—	-34.08%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-11.54%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-20.99%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-32.28%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-34.08%	—
Current Drawdown Current decline from peak	—	-4.48%	—
Average Drawdown Average peak-to-trough decline	—	-6.19%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	3.01%	—

Volatility

Volatility by Period

	SPXB	MTUM	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	12.20%	—
Volatility (6M) Calculated over the trailing 6-month period	—	19.44%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	21.93%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	21.15%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	21.31%	—

SPXB vs. MTUM - Expense Ratio Comparison

Both SPXB and MTUM have an expense ratio of 0.15%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.

Dividends

SPXB vs. MTUM - Dividend Comparison

SPXB has not paid dividends to shareholders, while MTUM's dividend yield for the trailing twelve months is around 0.56%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MTUM iShares MSCI USA Momentum Factor ETF	0.56%	0.91%	0.75%	1.35%	1.80%	0.55%	0.83%	1.48%	1.27%	1.02%	1.43%	1.12%
SPXB ProShares S&P 500 Bond ETF	0.00%	0.00%	1.22%	4.04%	3.14%	2.00%	2.64%	3.48%	2.52%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both SPXB and MTUM in my portfolio?

SPXB and MTUM have a correlation of 0.15, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, SPXB or MTUM?

Both ETFs have the same 0.15% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, SPXB or MTUM?

SPXB and MTUM have the same expense ratio: 0.15% per year.

Which ETF pays a higher dividend yield, SPXB or MTUM?

MTUM has the higher dividend yield at 0.56%, compared with 0.00% for SPXB.

What is the main difference between SPXB and MTUM?

SPXB is categorized as Corporate Bonds, while MTUM is Momentum. SPXB tracks S&P 500 MarketAxess Investment Grade Corporate Bond Index, while MTUM tracks MSCI USA Momentum SR Variant Index. They also come from different issuers: ProShares and iShares.