CHI vs. ANNPX

Last updated Jun 6, 2026

CHI (Calamos Convertible Opportunities and Income Fund) and ANNPX (Virtus Convertible Fund) are both Convertible Bonds funds. Over the past 10 years, CHI returned 12.74%/yr vs 14.53%/yr for ANNPX. A 0.50 correlation means they provide meaningful diversification when combined. CHI charges 0.88%/yr vs 0.71%/yr for ANNPX.

Performance

CHI vs. ANNPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Calamos Convertible Opportunities and Income Fund (CHI) and Virtus Convertible Fund (ANNPX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CHI achieves a 22.83% return, which is significantly higher than ANNPX's 21.21% return. Over the past 10 years, CHI has underperformed ANNPX with an annualized return of 12.74%, while ANNPX has yielded a comparatively higher 14.53% annualized return.

CHI

• 1D: -2.88%
• 1M: 0.36%
• YTD: 22.83%
• 6M: 20.86%
• 1Y: 36.08%
• 3Y*: 16.56%
• 5Y*: 6.32%
• 10Y*: 12.74%

ANNPX

• 1D: 0.15%
• 1M: 2.99%
• YTD: 21.21%
• 6M: 20.27%
• 1Y: 44.13%
• 3Y*: 21.27%
• 5Y*: 9.10%
• 10Y*: 14.53%

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

CHI vs. ANNPX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CHI Calamos Convertible Opportunities and Income Fund	22.83%	-2.15%	27.23%	9.49%	-23.31%	20.31%	33.82%	35.66%	-12.67%	22.70%
ANNPX Virtus Convertible Fund	21.21%	22.50%	14.13%	8.39%	-18.65%	4.96%	55.99%	26.45%	2.76%	15.22%

Correlation

The correlation between CHI and ANNPX is 0.73, 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	0.73
Correlation (3Y) Calculated over the trailing 3-year period	0.60
Correlation (5Y) Calculated over the trailing 5-year period	0.62
Correlation (10Y) Calculated over the trailing 10-year period	0.63
Correlation (All Time) Calculated using the full available price history since Jun 28, 2002	0.50

Over the past year, CHI and ANNPX have become more correlated (0.73) than their long-term average of 0.50, meaning their price movements have been converging.

Return for Risk

CHI vs. ANNPX — Risk / Return Rank

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

CHI

CHI Risk / Return Rank: 63
CHI Sharpe Ratio Rank: 57
CHI Sortino Ratio Rank: 51
CHI Omega Ratio Rank: 54
CHI Calmar Ratio Rank: 78
CHI Martin Ratio Rank: 73

ANNPX

ANNPX Risk / Return Rank: 91
ANNPX Sharpe Ratio Rank: 93
ANNPX Sortino Ratio Rank: 86
ANNPX Omega Ratio Rank: 83
ANNPX Calmar Ratio Rank: 96
ANNPX Martin Ratio Rank: 97

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.

CHI vs. ANNPX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Calamos Convertible Opportunities and Income Fund (CHI) and Virtus Convertible Fund (ANNPX). 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.

	CHI	ANNPX	Difference
Sharpe ratio: Return per unit of total volatility	2.15	3.17	-1.02
Sortino ratio: Return per unit of downside risk	2.91	4.11	-1.19
Omega ratio: Gain probability vs. loss probability	1.39	1.55	-0.16
Calmar ratio: Return relative to maximum drawdown	3.39	6.20	-2.81
Martin ratio: Return relative to average drawdown	13.35	27.41	-14.07
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CHI vs. ANNPX - Sharpe Ratio Comparison

The current CHI Sharpe Ratio is 2.15, which is lower than the ANNPX Sharpe Ratio of 3.17. The chart below compares the historical Sharpe Ratios of CHI and ANNPX, 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

	CHI	ANNPX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.15	3.17	-1.02
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.32	0.71	-0.40
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.55	1.07	-0.52
Sharpe Ratio (All Time) Calculated using the full available price history	0.41	0.55	-0.14

Drawdowns

CHI vs. ANNPX - Drawdown Comparison

The maximum CHI drawdown since its inception was -64.72%, which is greater than ANNPX's maximum drawdown of -55.61%. Use the drawdown chart below to compare losses from any high point for CHI and ANNPX.

Drawdown Indicators

	CHI	ANNPX	Difference
Max Drawdown Largest peak-to-trough decline	-64.72%	-55.61%	-9.11%
Max Drawdown (1Y) Largest decline over 1 year	-10.71%	-7.15%	-3.56%
Max Drawdown (3Y) Largest decline over 3 years	-27.52%	-13.67%	-13.85%
Max Drawdown (5Y) Largest decline over 5 years	-36.03%	-26.85%	-9.18%
Max Drawdown (10Y) Largest decline over 10 years	-49.64%	-27.36%	-22.28%
Current Drawdown Current decline from peak	-3.04%	-0.57%	-2.47%
Average Drawdown Average peak-to-trough decline	-9.67%	-17.45%	+7.78%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.71%	1.61%	+1.10%

Volatility

CHI vs. ANNPX - Volatility Comparison

Calamos Convertible Opportunities and Income Fund (CHI) has a higher volatility of 7.13% compared to Virtus Convertible Fund (ANNPX) at 4.59%. This indicates that CHI's price experiences larger fluctuations and is considered to be riskier than ANNPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CHI	ANNPX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.13%	4.59%	+2.54%
Volatility (6M) Calculated over the trailing 6-month period	13.82%	11.23%	+2.59%
Volatility (1Y) Calculated over the trailing 1-year period	16.84%	13.99%	+2.85%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.07%	12.83%	+7.24%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.20%	13.58%	+9.62%

CHI vs. ANNPX - Expense Ratio Comparison

CHI has a 0.88% expense ratio, which is higher than ANNPX's 0.71% expense ratio.

Dividends

CHI vs. ANNPX - Dividend Comparison

CHI's dividend yield for the trailing twelve months is around 9.15%, less than ANNPX's 9.29% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ANNPX Virtus Convertible Fund	9.29%	11.32%	2.31%	2.56%	1.55%	20.74%	6.94%	5.12%	18.79%	23.47%	2.88%	10.63%
CHI Calamos Convertible Opportunities and Income Fund	9.15%	10.88%	9.55%	11.00%	10.85%	7.54%	6.75%	8.49%	12.19%	10.19%	11.30%	11.50%

Frequently Asked Questions

Can I hold both CHI and ANNPX in my portfolio?

CHI and ANNPX have a correlation of 0.73, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CHI or ANNPX?

CHI has higher volatility (7.13%) compared to ANNPX (4.59%). In terms of maximum drawdown, CHI dropped -64.72% vs ANNPX's -55.61%.

Which has better risk-adjusted returns?

ANNPX currently has the higher Sharpe Ratio (3.17 vs 2.15), 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.