CFIZX vs. COSZX

Last updated Jun 23, 2026

CFIZX (Columbia Flexible Capital Income Fund) and COSZX (Columbia Overseas Value Fund) are both mutual funds - CFIZX is a Diversified Portfolio fund managed by Columbia, while COSZX is a Foreign Large Cap Equities fund managed by Columbia. Over the past 10 years, CFIZX returned 10.58%/yr vs 10.27%/yr for COSZX. A 0.77 correlation means they provide meaningful diversification when combined. CFIZX charges 0.73%/yr vs 0.90%/yr for COSZX.

Performance

CFIZX vs. COSZX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Columbia Flexible Capital Income Fund (CFIZX) and Columbia Overseas Value Fund (COSZX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CFIZX achieves a 10.31% return, which is significantly higher than COSZX's 6.13% return. Both investments have delivered pretty close results over the past 10 years, with CFIZX having a 10.58% annualized return and COSZX not far behind at 10.27%.

CFIZX

• 1D: 0.25%
• 1M: 1.00%
• YTD: 10.31%
• 6M: 9.57%
• 1Y: 20.22%
• 3Y*: 13.78%
• 5Y*: 7.29%
• 10Y*: 10.58%

COSZX

• 1D: -0.07%
• 1M: -1.31%
• YTD: 6.13%
• 6M: 6.05%
• 1Y: 26.38%
• 3Y*: 20.06%
• 5Y*: 12.15%
• 10Y*: 10.27%

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

CFIZX vs. COSZX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CFIZX Columbia Flexible Capital Income Fund	10.31%	12.76%	11.38%	8.69%	-10.60%	17.23%	19.76%	22.60%	-6.92%	13.65%
COSZX Columbia Overseas Value Fund	6.13%	45.80%	4.70%	16.05%	-5.99%	10.78%	-0.07%	22.37%	-16.70%	27.82%

Correlation

The correlation between CFIZX and COSZX is 0.68, 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	0.68
Correlation (3Y) Calculated over the trailing 3-year period	0.67
Correlation (5Y) Calculated over the trailing 5-year period	0.75
Correlation (10Y) Calculated over the trailing 10-year period	0.75
Correlation (All Time) Calculated using the full available price history since Jul 28, 2011	0.77

The correlation between CFIZX and COSZX has been stable across timeframes, ranging from 0.67 to 0.77 - a consistent structural relationship.

Return for Risk

CFIZX vs. COSZX — Risk / Return Rank

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

CFIZX

CFIZX Risk / Return Rank: 88
CFIZX Sharpe Ratio Rank: 91
CFIZX Sortino Ratio Rank: 89
CFIZX Omega Ratio Rank: 83
CFIZX Calmar Ratio Rank: 89
CFIZX Martin Ratio Rank: 88

COSZX

COSZX Risk / Return Rank: 42
COSZX Sharpe Ratio Rank: 47
COSZX Sortino Ratio Rank: 45
COSZX Omega Ratio Rank: 46
COSZX Calmar Ratio Rank: 38
COSZX Martin Ratio Rank: 34

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.

CFIZX vs. COSZX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Columbia Flexible Capital Income Fund (CFIZX) and Columbia Overseas Value Fund (COSZX). 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.

	CFIZX	COSZX	Difference
Sharpe ratio: Return per unit of total volatility	2.78	1.86	+0.92
Sortino ratio: Return per unit of downside risk	4.00	2.59	+1.41
Omega ratio: Gain probability vs. loss probability	1.51	1.34	+0.17
Calmar ratio: Return relative to maximum drawdown	4.18	2.22	+1.96
Martin ratio: Return relative to average drawdown	15.74	7.29	+8.45

CFIZX vs. COSZX - Sharpe Ratio Comparison

The current CFIZX Sharpe Ratio is 2.78, which is higher than the COSZX Sharpe Ratio of 1.86. The chart below compares the historical Sharpe Ratios of CFIZX and COSZX, 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

CFIZX vs. COSZX - Drawdown Comparison

The maximum CFIZX drawdown since its inception was -31.16%, smaller than the maximum COSZX drawdown of -63.37%. Use the drawdown chart below to compare losses from any high point for CFIZX and COSZX.

Drawdown Indicators

	CFIZX	COSZX	Difference
Max Drawdown Largest peak-to-trough decline	-31.16%	-63.37%	+32.21%
Max Drawdown (1Y) Largest decline over 1 year	-4.90%	-11.76%	+6.86%
Max Drawdown (3Y) Largest decline over 3 years	-10.61%	-13.34%	+2.73%
Max Drawdown (5Y) Largest decline over 5 years	-16.86%	-25.77%	+8.91%
Max Drawdown (10Y) Largest decline over 10 years	-31.16%	-43.40%	+12.24%
Current Drawdown Current decline from peak	-0.73%	-5.69%	+4.96%
Average Drawdown Average peak-to-trough decline	-3.26%	-17.87%	+14.61%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.30%	3.58%	-2.28%

Volatility

CFIZX vs. COSZX - Volatility Comparison

The current volatility for Columbia Flexible Capital Income Fund (CFIZX) is 2.51%, while Columbia Overseas Value Fund (COSZX) has a volatility of 4.16%. This indicates that CFIZX experiences smaller price fluctuations and is considered to be less risky than COSZX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CFIZX	COSZX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.51%	4.16%	-1.65%
Volatility (6M) Calculated over the trailing 6-month period	5.69%	11.37%	-5.68%
Volatility (1Y) Calculated over the trailing 1-year period	7.38%	14.02%	-6.64%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	9.69%	15.87%	-6.18%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.20%	17.43%	-6.23%

CFIZX vs. COSZX - Expense Ratio Comparison

CFIZX has a 0.73% expense ratio, which is lower than COSZX's 0.90% expense ratio.

Dividends

CFIZX vs. COSZX - Dividend Comparison

CFIZX's dividend yield for the trailing twelve months is around 4.44%, less than COSZX's 7.46% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CFIZX Columbia Flexible Capital Income Fund	4.44%	4.71%	5.16%	5.59%	8.17%	8.34%	11.70%	4.43%	4.76%	4.42%	5.11%	6.65%
COSZX Columbia Overseas Value Fund	7.46%	7.91%	5.38%	3.97%	1.88%	3.59%	1.69%	3.82%	3.59%	1.71%	1.99%	2.27%

Frequently Asked Questions

Can I hold both CFIZX and COSZX in my portfolio?

CFIZX and COSZX have a correlation of 0.68, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CFIZX or COSZX?

COSZX has higher volatility (4.16%) compared to CFIZX (2.51%). In terms of maximum drawdown, CFIZX dropped -31.16% vs COSZX's -63.37%.

Which has better risk-adjusted returns?

CFIZX currently has the higher Sharpe Ratio (2.78 vs 1.86), 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.