MFSB vs. CSHP

Last updated Aug 1, 2026

MFSB (MFS Active Core Plus Bond ETF) and CSHP (iShares Enhanced Short-Term Bond Active ETF) are both exchange-traded funds - MFSB is a Intermediate Core-Plus Bond fund actively managed by MFS, while CSHP is a Ultrashort Bond fund actively managed by iShares. Both are actively managed. Over the past year, MFSB returned 2.81% vs 4.04% for CSHP. Their -0.16 correlation means they have often moved in opposite directions in the past. MFSB charges 0.34%/yr vs 0.20%/yr for CSHP.

Performance

MFSB vs. CSHP - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MFS Active Core Plus Bond ETF (MFSB) and iShares Enhanced Short-Term Bond Active ETF (CSHP). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MFSB achieves a -0.02% return, which is significantly lower than CSHP's 2.38% return.

MFSB

• 1D: -0.24%
• 1M: -1.14%
• 6M: -0.30%
• YTD: -0.02%
• 1Y: 2.81%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 3.59%

CSHP

• 1D: -0.27%
• 1M: 0.35%
• 6M: 2.06%
• YTD: 2.38%
• 1Y: 4.04%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 4.31%

*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)
CSHP iShares Enhanced Short-Term Bond Active ETF	$14.53M	$7.29M	$2.60M
MFSB MFS Active Core Plus Bond ETF	$4.99M	$4.23M	$3.08M

MFSB vs. CSHP - Yearly Performance Comparison

	2026 (YTD)	2025	2024
MFSB MFS Active Core Plus Bond ETF	-0.02%	7.40%	-1.28%
CSHP iShares Enhanced Short-Term Bond Active ETF	2.38%	4.10%	0.32%

Correlation

The correlation between MFSB and CSHP is -0.05, 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.	-0.05
Correlation (All Time) Calculated using the full available price history since Dec 5, 2024	-0.16

The correlation between MFSB and CSHP shifts across timeframes, from -0.16 (all time) to -0.05 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

MFSB vs. CSHP — Risk / Return Rank

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

MFSB

MFSB Risk / Return Rank: 37
MFSB Sharpe Ratio Rank: 39
MFSB Sortino Ratio Rank: 38
MFSB Omega Ratio Rank: 35
MFSB Calmar Ratio Rank: 36
MFSB Martin Ratio Rank: 35

CSHP

CSHP Risk / Return Rank: 98
CSHP Sharpe Ratio Rank: 97
CSHP Sortino Ratio Rank: 98
CSHP Omega Ratio Rank: 99
CSHP Calmar Ratio Rank: 98
CSHP Martin Ratio Rank: 99

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.

MFSB vs. CSHP - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MFS Active Core Plus Bond ETF (MFSB) and iShares Enhanced Short-Term Bond Active ETF (CSHP). 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.

	MFSB	CSHP	Difference
Sharpe ratio: Return per unit of total volatility	0.98	3.53	-2.55
Sortino ratio: Return per unit of downside risk	1.42	6.34	-4.92
Omega ratio: Gain probability vs. loss probability	1.17	2.68	-1.52
Calmar ratio: Return relative to maximum drawdown	1.26	10.40	-9.14
Martin ratio: Return relative to average drawdown	3.51	65.72	-62.21

MFSB vs. CSHP - Sharpe Ratio Comparison

The current MFSB Sharpe Ratio is 0.98, which is lower than the CSHP Sharpe Ratio of 3.53. The chart below compares the historical Sharpe Ratios of MFSB and CSHP, 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

MFSB vs. CSHP - Drawdown Comparison

The maximum MFSB drawdown since its inception was -3.19%, which is greater than CSHP's maximum drawdown of -0.39%. Use the drawdown chart below to compare losses from any high point for MFSB and CSHP.

Drawdown Indicators

	MFSB	CSHP	Difference
Max Drawdown Largest peak-to-trough decline	-3.19%	-0.39%	-2.80%
Max Drawdown (1Y) Largest decline over 1 year	-2.71%	-0.39%	-2.32%
Current Drawdown Current decline from peak	-1.83%	-0.27%	-1.56%
Average Drawdown Average peak-to-trough decline	-0.85%	-0.01%	-0.84%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.97%	0.06%	+0.91%

Volatility

MFSB vs. CSHP - Volatility Comparison

The current volatility for MFS Active Core Plus Bond ETF (MFSB) is 0.87%, while iShares Enhanced Short-Term Bond Active ETF (CSHP) has a volatility of 1.10%. This indicates that MFSB experiences smaller price fluctuations and is considered to be less risky than CSHP based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MFSB	CSHP	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.87%	1.10%	-0.23%
Volatility (6M) Calculated over the trailing 6-month period	2.84%	1.12%	+1.72%
Volatility (1Y) Calculated over the trailing 1-year period	3.48%	1.14%	+2.34%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.16%	0.86%	+3.30%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.16%	0.86%	+3.30%

MFSB vs. CSHP - Expense Ratio Comparison

MFSB has a 0.34% expense ratio, which is higher than CSHP's 0.20% expense ratio.

Dividends

MFSB vs. CSHP - Dividend Comparison

MFSB's dividend yield for the trailing twelve months is around 4.64%, more than CSHP's 4.00% yield.

Position	TTM	2025	2024
CSHP iShares Enhanced Short-Term Bond Active ETF	3.89%	5.39%	1.96%
MFSB MFS Active Core Plus Bond ETF	4.64%	4.58%	0.37%

Frequently Asked Questions

Can I hold both MFSB and CSHP in my portfolio?

MFSB and CSHP have a correlation of -0.05, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MFSB or CSHP?

CSHP has higher volatility (1.10%) compared to MFSB (0.87%). In terms of maximum drawdown, MFSB dropped -3.19% vs CSHP's -0.39%.

Which ETF is better, MFSB or CSHP?

On 1-year performance, CSHP leads with 4.04% vs 2.81% for MFSB. On fees, CSHP is cheaper at 0.20% per year. On volatility, MFSB has been the lower-risk option at 0.87%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, MFSB or CSHP?

Over the 1-year period, CSHP has performed better with a 4.04% return vs 2.81%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, MFSB or CSHP?

CSHP is cheaper with a 0.20% expense ratio, compared with 0.34% for MFSB.

Which ETF pays a higher dividend yield, MFSB or CSHP?

MFSB has the higher dividend yield at 4.64%, compared with 3.89% for CSHP.

What is the main difference between MFSB and CSHP?

MFSB is categorized as Intermediate Core-Plus Bond, while CSHP is Ultrashort Bond. They also come from different issuers: MFS and iShares. Their fees differ too: 0.34% for MFSB and 0.20% for CSHP.

Which has better risk-adjusted returns?

CSHP currently has the higher Sharpe Ratio (3.53 vs 0.98), 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.