CTIGX vs. MMGPX

Last updated Jun 4, 2026

CTIGX (Calamos Timpani SMID Growth Fund) and MMGPX (Morgan Stanley Discovery Portfolio) are both Mid Cap Growth Equities funds. Over the past 5 years, CTIGX returned 12.09%/yr vs -3.53%/yr for MMGPX. Their correlation of 0.80 suggests significant overlap in exposure. CTIGX charges 1.10%/yr vs 0.04%/yr for MMGPX.

Performance

CTIGX vs. MMGPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Calamos Timpani SMID Growth Fund (CTIGX) and Morgan Stanley Discovery Portfolio (MMGPX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CTIGX achieves a 29.85% return, which is significantly higher than MMGPX's 6.58% return.

CTIGX

• 1D: 2.45%
• 1M: 8.33%
• YTD: 29.85%
• 6M: 29.18%
• 1Y: 58.23%
• 3Y*: 33.49%
• 5Y*: 12.09%
• 10Y*: —

MMGPX

• 1D: -1.64%
• 1M: 5.85%
• YTD: 6.58%
• 6M: 2.50%
• 1Y: 4.84%
• 3Y*: 26.16%
• 5Y*: -3.53%
• 10Y*: —

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

CTIGX vs. MMGPX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
CTIGX Calamos Timpani SMID Growth Fund	29.85%	21.21%	44.09%	12.26%	-34.88%	7.64%	58.94%	-3.80%
MMGPX Morgan Stanley Discovery Portfolio	6.58%	12.58%	41.83%	44.34%	-63.37%	-11.55%	152.67%	-5.98%

Correlation

The correlation between CTIGX and MMGPX is 0.67, 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	0.67
Correlation (3Y) Calculated over the trailing 3-year period	0.76
Correlation (5Y) Calculated over the trailing 5-year period	0.79
Correlation (All Time) Calculated using the full available price history since Aug 1, 2019	0.80

The correlation between CTIGX and MMGPX shifts across timeframes, from 0.67 (1 year) to 0.80 (all time), reflecting how their relationship changes across market environments.

Return for Risk

CTIGX vs. MMGPX — Risk / Return Rank

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

CTIGX

CTIGX Risk / Return Rank: 67
CTIGX Sharpe Ratio Rank: 58
CTIGX Sortino Ratio Rank: 47
CTIGX Omega Ratio Rank: 46
CTIGX Calmar Ratio Rank: 93
CTIGX Martin Ratio Rank: 93

MMGPX

MMGPX Risk / Return Rank: 4
MMGPX Sharpe Ratio Rank: 4
MMGPX Sortino Ratio Rank: 4
MMGPX Omega Ratio Rank: 4
MMGPX Calmar Ratio Rank: 4
MMGPX Martin Ratio Rank: 3

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.

CTIGX vs. MMGPX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Calamos Timpani SMID Growth Fund (CTIGX) and Morgan Stanley Discovery Portfolio (MMGPX). 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.

	CTIGX	MMGPX	Difference
Sharpe ratio: Return per unit of total volatility	2.25	0.22	+2.03
Sortino ratio: Return per unit of downside risk	2.89	0.50	+2.39
Omega ratio: Gain probability vs. loss probability	1.37	1.06	+0.31
Calmar ratio: Return relative to maximum drawdown	5.13	0.22	+4.91
Martin ratio: Return relative to average drawdown	20.26	0.47	+19.80
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CTIGX vs. MMGPX - Sharpe Ratio Comparison

The current CTIGX Sharpe Ratio is 2.25, which is higher than the MMGPX Sharpe Ratio of 0.22. The chart below compares the historical Sharpe Ratios of CTIGX and MMGPX, 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

	CTIGX	MMGPX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.25	0.22	+2.03
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.45	-0.09	+0.54
Sharpe Ratio (All Time) Calculated using the full available price history	0.54	0.46	+0.09

Drawdowns

CTIGX vs. MMGPX - Drawdown Comparison

The maximum CTIGX drawdown since its inception was -46.26%, smaller than the maximum MMGPX drawdown of -75.38%. Use the drawdown chart below to compare losses from any high point for CTIGX and MMGPX.

Drawdown Indicators

	CTIGX	MMGPX	Difference
Max Drawdown Largest peak-to-trough decline	-46.26%	-75.38%	+29.12%
Max Drawdown (1Y) Largest decline over 1 year	-11.56%	-27.79%	+16.23%
Max Drawdown (3Y) Largest decline over 3 years	-29.30%	-29.27%	-0.03%
Max Drawdown (5Y) Largest decline over 5 years	-46.26%	-72.70%	+26.44%
Current Drawdown Current decline from peak	0.00%	-36.32%	+36.32%
Average Drawdown Average peak-to-trough decline	-18.61%	-30.24%	+11.63%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.92%	13.11%	-10.19%

Volatility

CTIGX vs. MMGPX - Volatility Comparison

Calamos Timpani SMID Growth Fund (CTIGX) and Morgan Stanley Discovery Portfolio (MMGPX) have volatilities of 9.15% and 8.88%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CTIGX	MMGPX	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.15%	8.88%	+0.27%
Volatility (6M) Calculated over the trailing 6-month period	20.33%	20.96%	-0.63%
Volatility (1Y) Calculated over the trailing 1-year period	26.30%	27.57%	-1.27%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	26.99%	39.71%	-12.72%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	29.12%	35.22%	-6.10%

CTIGX vs. MMGPX - Expense Ratio Comparison

CTIGX has a 1.10% expense ratio, which is higher than MMGPX's 0.04% expense ratio.

Dividends

CTIGX vs. MMGPX - Dividend Comparison

CTIGX's dividend yield for the trailing twelve months is around 3.53%, more than MMGPX's 0.40% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
CTIGX Calamos Timpani SMID Growth Fund	3.53%	4.59%	2.80%	0.00%	0.00%	11.76%	0.00%	0.00%	0.00%
MMGPX Morgan Stanley Discovery Portfolio	0.40%	0.43%	0.00%	0.00%	125.40%	64.53%	7.93%	15.63%	28.02%

Frequently Asked Questions

Can I hold both CTIGX and MMGPX in my portfolio?

CTIGX and MMGPX have a correlation of 0.67, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CTIGX or MMGPX?

CTIGX has higher volatility (9.15%) compared to MMGPX (8.88%). In terms of maximum drawdown, CTIGX dropped -46.26% vs MMGPX's -75.38%.

Which has better risk-adjusted returns?

CTIGX currently has the higher Sharpe Ratio (2.25 vs 0.22), 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.