PBXIX vs. CXGCX

Last updated Jun 23, 2026

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

Performance

PBXIX vs. CXGCX - Performance Comparison

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

Returns By Period

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

PBXIX

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

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%

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

PBXIX vs. CXGCX - Yearly Performance Comparison

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

Correlation

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

Return for Risk

PBXIX vs. CXGCX — Risk / Return Rank

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

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

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

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.

PBXIX vs. CXGCX - Risk-Adjusted Trends Comparison

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

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

PBXIX vs. CXGCX - Sharpe Ratio Comparison

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

PBXIX vs. CXGCX - Drawdown Comparison

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

Drawdown Indicators

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

Volatility

PBXIX vs. CXGCX - Volatility Comparison

The current volatility for Rational/Pier 88 Convertible Securities Fund (PBXIX) is 2.58%, while Calamos Global Convertible Fund (CXGCX) has a volatility of 4.05%. This indicates that PBXIX experiences smaller price fluctuations and is considered to be less risky than CXGCX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

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

PBXIX vs. CXGCX - Expense Ratio Comparison

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

Dividends

PBXIX vs. CXGCX - Dividend Comparison

PBXIX's dividend yield for the trailing twelve months is around 5.34%, more than CXGCX's 4.61% 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 PBXIX and CXGCX in my portfolio?

PBXIX and CXGCX 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, PBXIX or CXGCX?

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

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.