PACIX vs. COSZX

Last updated Jun 4, 2026

PACIX (Columbia Convertible Securities Fund) and COSZX (Columbia Overseas Value Fund) are both mutual funds - PACIX is a Convertible Bonds fund managed by Columbia, while COSZX is a Foreign Large Cap Equities fund managed by Columbia. Over the past 10 years, PACIX returned 13.47%/yr vs 10.22%/yr for COSZX. A 0.69 correlation means they provide meaningful diversification when combined. PACIX charges 1.12%/yr vs 0.90%/yr for COSZX.

Performance

PACIX vs. COSZX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Columbia Convertible Securities Fund (PACIX) 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, PACIX achieves a 24.05% return, which is significantly higher than COSZX's 7.46% return. Over the past 10 years, PACIX has outperformed COSZX with an annualized return of 13.47%, while COSZX has yielded a comparatively lower 10.22% annualized return.

PACIX

• 1D: 1.28%
• 1M: 7.88%
• YTD: 24.05%
• 6M: 23.90%
• 1Y: 44.22%
• 3Y*: 20.29%
• 5Y*: 8.24%
• 10Y*: 13.47%

COSZX

• 1D: 0.53%
• 1M: 0.93%
• YTD: 7.46%
• 6M: 10.18%
• 1Y: 28.08%
• 3Y*: 21.79%
• 5Y*: 11.46%
• 10Y*: 10.22%

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

PACIX vs. COSZX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PACIX Columbia Convertible Securities Fund	24.05%	19.58%	9.51%	11.91%	-19.54%	3.71%	47.86%	26.15%	-1.03%	15.07%
COSZX Columbia Overseas Value Fund	7.46%	45.80%	4.70%	16.05%	-5.99%	10.78%	-0.07%	22.37%	-16.70%	27.82%

Correlation

The correlation between PACIX and COSZX is 0.53, 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	0.53
Correlation (3Y) Calculated over the trailing 3-year period	0.57
Correlation (5Y) Calculated over the trailing 5-year period	0.63
Correlation (10Y) Calculated over the trailing 10-year period	0.63
Correlation (All Time) Calculated using the full available price history since Apr 2, 2008	0.69

The correlation between PACIX and COSZX shifts across timeframes, from 0.53 (1 year) to 0.69 (all time), reflecting how their relationship changes across market environments.

Return for Risk

PACIX vs. COSZX — Risk / Return Rank

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

PACIX

PACIX Risk / Return Rank: 90
PACIX Sharpe Ratio Rank: 93
PACIX Sortino Ratio Rank: 86
PACIX Omega Ratio Rank: 82
PACIX Calmar Ratio Rank: 95
PACIX Martin Ratio Rank: 95

COSZX

COSZX Risk / Return Rank: 41
COSZX Sharpe Ratio Rank: 45
COSZX Sortino Ratio Rank: 43
COSZX Omega Ratio Rank: 45
COSZX Calmar Ratio Rank: 37
COSZX Martin Ratio Rank: 37

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.

PACIX vs. COSZX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Columbia Convertible Securities Fund (PACIX) 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.

	PACIX	COSZX	Difference
Sharpe ratio Return per unit of total volatility	3.19	1.98	+1.21
Sortino ratio Return per unit of downside risk	4.10	2.74	+1.36
Omega ratio Gain probability vs. loss probability	1.54	1.36	+0.18
Calmar ratio Return relative to maximum drawdown	5.82	2.30	+3.52
Martin ratio Return relative to average drawdown	23.25	8.12	+15.13
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PACIX vs. COSZX - Sharpe Ratio Comparison

The current PACIX Sharpe Ratio is 3.19, which is higher than the COSZX Sharpe Ratio of 1.98. The chart below compares the historical Sharpe Ratios of PACIX 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.

Sharpe Ratios by Period

	PACIX	COSZX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.19	1.98	+1.21
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.63	0.73	-0.09
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	1.01	0.59	+0.42
Sharpe Ratio (All Time) Calculated using the full available price history	0.86	0.21	+0.64

Drawdowns

PACIX vs. COSZX - Drawdown Comparison

The maximum PACIX drawdown since its inception was -43.86%, smaller than the maximum COSZX drawdown of -63.37%. Use the drawdown chart below to compare losses from any high point for PACIX and COSZX.

Drawdown Indicators

	PACIX	COSZX	Difference
Max Drawdown Largest peak-to-trough decline	-43.86%	-63.37%	+19.51%
Max Drawdown (1Y) Largest decline over 1 year	-7.85%	-11.76%	+3.91%
Max Drawdown (3Y) Largest decline over 3 years	-12.15%	-13.34%	+1.19%
Max Drawdown (5Y) Largest decline over 5 years	-26.71%	-25.77%	-0.94%
Max Drawdown (10Y) Largest decline over 10 years	-28.74%	-43.40%	+14.66%
Current Drawdown Current decline from peak	0.00%	-4.51%	+4.51%
Average Drawdown Average peak-to-trough decline	-6.83%	-17.90%	+11.07%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.96%	3.33%	-1.37%

Volatility

PACIX vs. COSZX - Volatility Comparison

Columbia Convertible Securities Fund (PACIX) has a higher volatility of 4.69% compared to Columbia Overseas Value Fund (COSZX) at 3.56%. This indicates that PACIX's price experiences larger fluctuations and is considered to be riskier than COSZX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PACIX	COSZX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.69%	3.56%	+1.13%
Volatility (6M) Calculated over the trailing 6-month period	11.64%	10.95%	+0.69%
Volatility (1Y) Calculated over the trailing 1-year period	14.33%	13.77%	+0.56%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.07%	15.84%	-2.77%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.40%	17.45%	-4.05%

PACIX vs. COSZX - Expense Ratio Comparison

PACIX has a 1.12% expense ratio, which is higher than COSZX's 0.90% expense ratio.

Dividends

PACIX vs. COSZX - Dividend Comparison

PACIX's dividend yield for the trailing twelve months is around 1.20%, less than COSZX's 7.36% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
COSZX Columbia Overseas Value Fund	7.36%	7.91%	5.38%	3.97%	1.88%	3.59%	1.69%	3.82%	3.59%	1.71%	1.99%	2.27%
PACIX Columbia Convertible Securities Fund	1.20%	1.45%	1.96%	2.53%	9.87%	22.27%	7.81%	6.29%	5.29%	2.75%	2.34%	9.91%

Frequently Asked Questions

Can I hold both PACIX and COSZX in my portfolio?

PACIX and COSZX have a correlation of 0.53, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PACIX or COSZX?

PACIX has higher volatility (4.69%) compared to COSZX (3.56%). In terms of maximum drawdown, PACIX dropped -43.86% vs COSZX's -63.37%.

Which has better risk-adjusted returns?

PACIX currently has the higher Sharpe Ratio (3.19 vs 1.98), 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.