WESRX vs. CHI

Last updated Jun 4, 2026

WESRX (TETON Convertible Securities Fund) and CHI (Calamos Convertible Opportunities and Income Fund) are both Convertible Bonds funds. Over the past 10 years, WESRX returned 9.89%/yr vs 13.14%/yr for CHI. At a 0.49 correlation, their price movements are largely independent. WESRX charges 1.15%/yr vs 0.88%/yr for CHI.

Performance

WESRX vs. CHI - Performance Comparison

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

Returns By Period

In the year-to-date period, WESRX achieves a 22.66% return, which is significantly lower than CHI's 25.49% return. Over the past 10 years, WESRX has underperformed CHI with an annualized return of 9.89%, while CHI has yielded a comparatively higher 13.14% annualized return.

WESRX

• 1D: 1.68%
• 1M: 9.95%
• YTD: 22.66%
• 6M: 19.29%
• 1Y: 40.19%
• 3Y*: 17.64%
• 5Y*: 6.25%
• 10Y*: 9.89%

CHI

• 1D: -0.93%
• 1M: 5.05%
• YTD: 25.49%
• 6M: 23.37%
• 1Y: 39.44%
• 3Y*: 18.77%
• 5Y*: 6.78%
• 10Y*: 13.14%

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

WESRX vs. CHI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
WESRX TETON Convertible Securities Fund	22.66%	17.20%	11.73%	5.09%	-21.96%	2.21%	27.22%	24.42%	-0.80%	17.58%
CHI Calamos Convertible Opportunities and Income Fund	25.49%	-2.15%	27.23%	9.49%	-23.31%	20.31%	33.82%	35.66%	-12.67%	22.70%

Correlation

The correlation between WESRX and CHI 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	0.54
Correlation (5Y) Calculated over the trailing 5-year period	0.58
Correlation (10Y) Calculated over the trailing 10-year period	0.60
Correlation (All Time) Calculated using the full available price history since Jun 28, 2002	0.49

Over the past year, WESRX and CHI have become more correlated (0.71) than their long-term average of 0.49, meaning their price movements have been converging.

Return for Risk

WESRX vs. CHI — Risk / Return Rank

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

WESRX

WESRX Risk / Return Rank: 66
WESRX Sharpe Ratio Rank: 77
WESRX Sortino Ratio Rank: 63
WESRX Omega Ratio Rank: 60
WESRX Calmar Ratio Rank: 77
WESRX Martin Ratio Rank: 52

CHI

CHI Risk / Return Rank: 69
CHI Sharpe Ratio Rank: 67
CHI Sortino Ratio Rank: 59
CHI Omega Ratio Rank: 60
CHI Calmar Ratio Rank: 81
CHI Martin Ratio Rank: 78

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.

WESRX vs. CHI - Risk-Adjusted Trends Comparison

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

	WESRX	CHI	Difference
Sharpe ratio: Return per unit of total volatility	2.56	2.39	+0.16
Sortino ratio: Return per unit of downside risk	3.32	3.24	+0.08
Omega ratio: Gain probability vs. loss probability	1.43	1.43	0.00
Calmar ratio: Return relative to maximum drawdown	3.50	3.70	-0.20
Martin ratio: Return relative to average drawdown	10.63	14.63	-3.99
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

WESRX vs. CHI - Sharpe Ratio Comparison

The current WESRX Sharpe Ratio is 2.56, which is comparable to the CHI Sharpe Ratio of 2.39. The chart below compares the historical Sharpe Ratios of WESRX and CHI, 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

	WESRX	CHI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.56	2.39	+0.16
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.44	0.34	+0.10
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.73	0.57	+0.16
Sharpe Ratio (All Time) Calculated using the full available price history	0.53	0.41	+0.11

Drawdowns

WESRX vs. CHI - Drawdown Comparison

The maximum WESRX drawdown since its inception was -51.81%, smaller than the maximum CHI drawdown of -64.72%. Use the drawdown chart below to compare losses from any high point for WESRX and CHI.

Drawdown Indicators

	WESRX	CHI	Difference
Max Drawdown Largest peak-to-trough decline	-51.81%	-64.72%	+12.91%
Max Drawdown (1Y) Largest decline over 1 year	-11.95%	-10.71%	-1.24%
Max Drawdown (3Y) Largest decline over 3 years	-13.89%	-27.52%	+13.63%
Max Drawdown (5Y) Largest decline over 5 years	-31.66%	-36.03%	+4.37%
Max Drawdown (10Y) Largest decline over 10 years	-31.66%	-49.64%	+17.98%
Current Drawdown Current decline from peak	0.00%	-0.93%	+0.93%
Average Drawdown Average peak-to-trough decline	-9.08%	-9.67%	+0.59%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.92%	2.70%	+1.22%

Volatility

WESRX vs. CHI - Volatility Comparison

The current volatility for TETON Convertible Securities Fund (WESRX) is 5.64%, while Calamos Convertible Opportunities and Income Fund (CHI) has a volatility of 6.61%. This indicates that WESRX experiences smaller price fluctuations and is considered to be less risky than CHI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	WESRX	CHI	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.64%	6.61%	-0.97%
Volatility (6M) Calculated over the trailing 6-month period	13.40%	13.49%	-0.09%
Volatility (1Y) Calculated over the trailing 1-year period	16.36%	16.56%	-0.20%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.35%	20.03%	-5.68%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.58%	23.18%	-9.60%

WESRX vs. CHI - Expense Ratio Comparison

WESRX has a 1.15% expense ratio, which is higher than CHI's 0.88% expense ratio.

Dividends

WESRX vs. CHI - Dividend Comparison

WESRX's dividend yield for the trailing twelve months is around 6.66%, less than CHI's 8.96% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CHI Calamos Convertible Opportunities and Income Fund	8.96%	10.88%	9.55%	11.00%	10.85%	7.54%	6.75%	8.49%	12.19%	10.19%	11.30%	11.50%
WESRX TETON Convertible Securities Fund	6.66%	8.95%	2.87%	2.63%	11.45%	10.69%	3.13%	2.75%	5.87%	1.95%	5.10%	0.25%

Frequently Asked Questions

Can I hold both WESRX and CHI in my portfolio?

WESRX and CHI 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, WESRX or CHI?

CHI has higher volatility (6.61%) compared to WESRX (5.64%). In terms of maximum drawdown, WESRX dropped -51.81% vs CHI's -64.72%.

Which has better risk-adjusted returns?

WESRX currently has the higher Sharpe Ratio (2.56 vs 2.39), 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.