CHIAX vs. CSOIX

Last updated Jun 3, 2026

CHIAX (Credit Suisse Floating Rate High Income Fund) and CSOIX (Credit Suisse Strategic Income Fund) are both mutual funds - CHIAX is a Bank Loan fund managed by Credit Suisse, while CSOIX is a High Yield Bonds fund managed by Credit Suisse. Over the past 10 years, CHIAX returned 4.28%/yr vs 5.72%/yr for CSOIX. A 0.63 correlation means they provide meaningful diversification when combined. CHIAX charges 0.95%/yr vs 0.79%/yr for CSOIX.

Performance

CHIAX vs. CSOIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Credit Suisse Floating Rate High Income Fund (CHIAX) and Credit Suisse Strategic Income Fund (CSOIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CHIAX achieves a 0.88% return, which is significantly higher than CSOIX's -0.30% return. Over the past 10 years, CHIAX has underperformed CSOIX with an annualized return of 4.28%, while CSOIX has yielded a comparatively higher 5.72% annualized return.

CHIAX

• 1D: 0.00%
• 1M: 0.16%
• YTD: 0.88%
• 6M: 1.18%
• 1Y: 3.75%
• 3Y*: 6.07%
• 5Y*: 4.20%
• 10Y*: 4.28%

CSOIX

• 1D: 0.00%
• 1M: 0.00%
• YTD: -0.30%
• 6M: 0.39%
• 1Y: 3.30%
• 3Y*: 7.11%
• 5Y*: 3.94%
• 10Y*: 5.72%

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

CHIAX vs. CSOIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CHIAX Credit Suisse Floating Rate High Income Fund	0.88%	4.25%	6.85%	11.03%	-3.14%	5.03%	2.32%	6.67%	-0.22%	4.33%
CSOIX Credit Suisse Strategic Income Fund	-0.30%	5.66%	8.26%	12.62%	-7.23%	5.47%	4.77%	10.17%	-0.72%	8.21%

Correlation

The correlation between CHIAX and CSOIX is 0.61, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.61
Correlation (3Y) Calculated over the trailing 3-year period	0.56
Correlation (5Y) Calculated over the trailing 5-year period	0.65
Correlation (10Y) Calculated over the trailing 10-year period	0.65
Correlation (All Time) Calculated using the full available price history since Jan 3, 2013	0.63

The correlation between CHIAX and CSOIX has been stable across timeframes, ranging from 0.56 to 0.65 - a consistent structural relationship.

Return for Risk

CHIAX vs. CSOIX — Risk / Return Rank

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

CHIAX

CHIAX Risk / Return Rank: 45
CHIAX Sharpe Ratio Rank: 29
CHIAX Sortino Ratio Rank: 58
CHIAX Omega Ratio Rank: 75
CHIAX Calmar Ratio Rank: 33
CHIAX Martin Ratio Rank: 28

CSOIX

CSOIX Risk / Return Rank: 23
CSOIX Sharpe Ratio Rank: 18
CSOIX Sortino Ratio Rank: 32
CSOIX Omega Ratio Rank: 32
CSOIX Calmar Ratio Rank: 15
CSOIX Martin Ratio Rank: 18

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.

CHIAX vs. CSOIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Credit Suisse Floating Rate High Income Fund (CHIAX) and Credit Suisse Strategic Income Fund (CSOIX). 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.

	CHIAX	CSOIX	Difference
Sharpe ratio Return per unit of total volatility	1.57	1.25	+0.32
Sortino ratio Return per unit of downside risk	3.22	2.38	+0.84
Omega ratio Gain probability vs. loss probability	1.49	1.30	+0.19
Calmar ratio Return relative to maximum drawdown	2.18	1.42	+0.77
Martin ratio Return relative to average drawdown	6.77	5.24	+1.53
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CHIAX vs. CSOIX - Sharpe Ratio Comparison

The current CHIAX Sharpe Ratio is 1.57, which is comparable to the CSOIX Sharpe Ratio of 1.25. The chart below compares the historical Sharpe Ratios of CHIAX and CSOIX, 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

	CHIAX	CSOIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.57	1.25	+0.32
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.54	1.19	+0.36
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	1.20	1.43	-0.23
Sharpe Ratio (All Time) Calculated using the full available price history	1.18	1.44	-0.25

Drawdowns

CHIAX vs. CSOIX - Drawdown Comparison

The maximum CHIAX drawdown since its inception was -37.29%, which is greater than CSOIX's maximum drawdown of -20.04%. Use the drawdown chart below to compare losses from any high point for CHIAX and CSOIX.

Drawdown Indicators

	CHIAX	CSOIX	Difference
Max Drawdown Largest peak-to-trough decline	-37.29%	-20.04%	-17.25%
Max Drawdown (1Y) Largest decline over 1 year	-2.02%	-2.86%	+0.84%
Max Drawdown (3Y) Largest decline over 3 years	-2.41%	-2.92%	+0.51%
Max Drawdown (5Y) Largest decline over 5 years	-5.99%	-10.39%	+4.40%
Max Drawdown (10Y) Largest decline over 10 years	-19.94%	-20.04%	+0.10%
Current Drawdown Current decline from peak	0.00%	-0.30%	+0.30%
Average Drawdown Average peak-to-trough decline	-2.03%	-1.48%	-0.55%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.65%	0.77%	-0.12%

Volatility

CHIAX vs. CSOIX - Volatility Comparison

The current volatility for Credit Suisse Floating Rate High Income Fund (CHIAX) is 0.29%, while Credit Suisse Strategic Income Fund (CSOIX) has a volatility of 0.55%. This indicates that CHIAX experiences smaller price fluctuations and is considered to be less risky than CSOIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CHIAX	CSOIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.29%	0.55%	-0.26%
Volatility (6M) Calculated over the trailing 6-month period	1.84%	2.09%	-0.25%
Volatility (1Y) Calculated over the trailing 1-year period	2.40%	2.65%	-0.25%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.74%	3.34%	-0.60%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.58%	4.01%	-0.43%

CHIAX vs. CSOIX - Expense Ratio Comparison

CHIAX has a 0.95% expense ratio, which is higher than CSOIX's 0.79% expense ratio.

Dividends

CHIAX vs. CSOIX - Dividend Comparison

CHIAX's dividend yield for the trailing twelve months is around 6.00%, more than CSOIX's 5.92% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CHIAX Credit Suisse Floating Rate High Income Fund	6.00%	7.44%	7.25%	7.19%	3.90%	3.38%	4.19%	4.94%	4.38%	3.79%	4.47%	4.26%
CSOIX Credit Suisse Strategic Income Fund	5.92%	7.12%	7.05%	6.72%	4.39%	3.92%	4.95%	5.35%	5.45%	5.18%	7.19%	6.86%

Frequently Asked Questions

Can I hold both CHIAX and CSOIX in my portfolio?

CHIAX and CSOIX have a correlation of 0.61, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CHIAX or CSOIX?

CSOIX has higher volatility (0.55%) compared to CHIAX (0.29%). In terms of maximum drawdown, CHIAX dropped -37.29% vs CSOIX's -20.04%.

Which has better risk-adjusted returns?

CHIAX currently has the higher Sharpe Ratio (1.57 vs 1.25), 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.