CXGCX vs. PBXIX

Last updated Jun 23, 2026

CXGCX (Calamos Global Convertible Fund) and PBXIX (Rational/Pier 88 Convertible Securities Fund) are both Convertible Bonds funds. Over the past 5 years, CXGCX returned 5.68%/yr vs 3.59%/yr for PBXIX. A 0.80 correlation means they provide meaningful diversification when combined. CXGCX charges 1.03%/yr vs 0.99%/yr for PBXIX.

Performance

CXGCX vs. PBXIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Calamos Global Convertible Fund (CXGCX) and Rational/Pier 88 Convertible Securities Fund (PBXIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CXGCX achieves a 15.99% return, which is significantly higher than PBXIX's 9.88% return.

CXGCX

• 1D: 0.38%
• 1M: 2.52%
• YTD: 15.99%
• 6M: 14.82%
• 1Y: 28.66%
• 3Y*: 16.84%
• 5Y*: 5.68%
• 10Y*: 9.32%

PBXIX

• 1D: 0.34%
• 1M: 2.89%
• YTD: 9.88%
• 6M: 9.09%
• 1Y: 14.01%
• 3Y*: 8.67%
• 5Y*: 3.59%
• 10Y*: —

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

CXGCX vs. PBXIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
CXGCX Calamos Global Convertible Fund	15.99%	18.49%	10.98%	13.48%	-22.06%	-0.31%	38.60%	2.46%
PBXIX Rational/Pier 88 Convertible Securities Fund	9.88%	2.12%	8.23%	3.28%	-10.82%	10.23%	17.09%	1.70%

Correlation

The correlation between CXGCX and PBXIX is 0.71, 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	0.71
Correlation (3Y) Calculated over the trailing 3-year period	0.75
Correlation (5Y) Calculated over the trailing 5-year period	0.79
Correlation (All Time) Calculated using the full available price history since Dec 6, 2019	0.80

The correlation between CXGCX and PBXIX has been stable across timeframes, ranging from 0.71 to 0.80 - a consistent structural relationship.

Return for Risk

CXGCX vs. PBXIX — Risk / Return Rank

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

CXGCX

CXGCX Risk / Return Rank: 88
CXGCX Sharpe Ratio Rank: 89
CXGCX Sortino Ratio Rank: 86
CXGCX Omega Ratio Rank: 81
CXGCX Calmar Ratio Rank: 94
CXGCX Martin Ratio Rank: 90

PBXIX

PBXIX Risk / Return Rank: 52
PBXIX Sharpe Ratio Rank: 51
PBXIX Sortino Ratio Rank: 52
PBXIX Omega Ratio Rank: 48
PBXIX Calmar Ratio Rank: 55
PBXIX Martin Ratio Rank: 55

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.

CXGCX vs. PBXIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Calamos Global Convertible Fund (CXGCX) and Rational/Pier 88 Convertible Securities Fund (PBXIX). 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.

	CXGCX	PBXIX	Difference
Sharpe ratio: Return per unit of total volatility	2.72	1.94	+0.78
Sortino ratio: Return per unit of downside risk	3.77	2.78	+0.99
Omega ratio: Gain probability vs. loss probability	1.49	1.35	+0.14
Calmar ratio: Return relative to maximum drawdown	5.01	2.73	+2.28
Martin ratio: Return relative to average drawdown	16.32	10.45	+5.88

CXGCX vs. PBXIX - Sharpe Ratio Comparison

The current CXGCX Sharpe Ratio is 2.72, which is higher than the PBXIX Sharpe Ratio of 1.94. The chart below compares the historical Sharpe Ratios of CXGCX and PBXIX, 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

CXGCX vs. PBXIX - Drawdown Comparison

The maximum CXGCX drawdown since its inception was -30.74%, which is greater than PBXIX's maximum drawdown of -24.03%. Use the drawdown chart below to compare losses from any high point for CXGCX and PBXIX.

Drawdown Indicators

	CXGCX	PBXIX	Difference
Max Drawdown Largest peak-to-trough decline	-30.74%	-24.03%	-6.71%
Max Drawdown (1Y) Largest decline over 1 year	-5.75%	-5.16%	-0.59%
Max Drawdown (3Y) Largest decline over 3 years	-8.92%	-10.71%	+1.79%
Max Drawdown (5Y) Largest decline over 5 years	-28.88%	-15.57%	-13.31%
Max Drawdown (10Y) Largest decline over 10 years	-30.74%	—	—
Current Drawdown Current decline from peak	-1.22%	-0.34%	-0.88%
Average Drawdown Average peak-to-trough decline	-7.23%	-5.48%	-1.75%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.76%	1.34%	+0.42%

Volatility

CXGCX vs. PBXIX - Volatility Comparison

Calamos Global Convertible Fund (CXGCX) has a higher volatility of 4.05% compared to Rational/Pier 88 Convertible Securities Fund (PBXIX) at 2.58%. This indicates that CXGCX's price experiences larger fluctuations and is considered to be riskier than PBXIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CXGCX	PBXIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.05%	2.58%	+1.47%
Volatility (6M) Calculated over the trailing 6-month period	8.54%	5.46%	+3.08%
Volatility (1Y) Calculated over the trailing 1-year period	10.58%	7.25%	+3.33%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	9.77%	8.66%	+1.11%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	9.60%	11.49%	-1.89%

CXGCX vs. PBXIX - Expense Ratio Comparison

CXGCX has a 1.03% expense ratio, which is higher than PBXIX's 0.99% expense ratio.

Dividends

CXGCX vs. PBXIX - Dividend Comparison

CXGCX's dividend yield for the trailing twelve months is around 4.61%, less than PBXIX's 5.34% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CXGCX Calamos Global Convertible Fund	4.61%	5.15%	0.00%	0.39%	0.00%	14.77%	8.19%	2.36%	5.75%	3.73%	2.22%	1.30%
PBXIX Rational/Pier 88 Convertible Securities Fund	5.34%	3.48%	2.14%	2.22%	2.25%	7.56%	1.77%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both CXGCX and PBXIX in my portfolio?

CXGCX and PBXIX have a correlation of 0.71, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CXGCX or PBXIX?

CXGCX has higher volatility (4.05%) compared to PBXIX (2.58%). In terms of maximum drawdown, CXGCX dropped -30.74% vs PBXIX's -24.03%.

Which has better risk-adjusted returns?

CXGCX currently has the higher Sharpe Ratio (2.72 vs 1.94), 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.