CTIGX vs. OEGAX

Last updated Jun 24, 2026

CTIGX (Calamos Timpani SMID Growth Fund) and OEGAX (Invesco Discovery Mid Cap Growth Fund Class A) are both Mid Cap Growth Equities funds. Over the past 5 years, CTIGX returned 10.68%/yr vs 7.37%/yr for OEGAX. Their correlation of 0.91 suggests significant overlap in exposure. CTIGX charges 1.10%/yr vs 1.05%/yr for OEGAX.

Performance

CTIGX vs. OEGAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Calamos Timpani SMID Growth Fund (CTIGX) and Invesco Discovery Mid Cap Growth Fund Class A (OEGAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CTIGX achieves a 30.42% return, which is significantly higher than OEGAX's 28.34% return.

CTIGX

• 1D: 1.38%
• 1M: 4.36%
• YTD: 30.42%
• 6M: 26.29%
• 1Y: 57.77%
• 3Y*: 33.13%
• 5Y*: 10.68%
• 10Y*: —

OEGAX

• 1D: 1.53%
• 1M: 5.28%
• YTD: 28.34%
• 6M: 25.35%
• 1Y: 32.75%
• 3Y*: 21.07%
• 5Y*: 7.37%
• 10Y*: 13.96%

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

CTIGX vs. OEGAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
CTIGX Calamos Timpani SMID Growth Fund	30.42%	21.21%	44.09%	12.26%	-34.88%	7.64%	58.94%	-3.80%
OEGAX Invesco Discovery Mid Cap Growth Fund Class A	28.34%	4.85%	24.09%	12.96%	-31.09%	18.44%	40.12%	3.12%

Correlation

The correlation between CTIGX and OEGAX is 0.81, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.81
Correlation (3Y) Calculated over the trailing 3-year period	0.89
Correlation (5Y) Calculated over the trailing 5-year period	0.91
Correlation (All Time) Calculated using the full available price history since Jul 31, 2019	0.91

The correlation between CTIGX and OEGAX shifts across timeframes, from 0.81 (1 year) to 0.91 (all time), reflecting how their relationship changes across market environments.

Return for Risk

CTIGX vs. OEGAX — Risk / Return Rank

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

CTIGX

CTIGX Risk / Return Rank: 72
CTIGX Sharpe Ratio Rank: 66
CTIGX Sortino Ratio Rank: 52
CTIGX Omega Ratio Rank: 51
CTIGX Calmar Ratio Rank: 94
CTIGX Martin Ratio Rank: 95

OEGAX

OEGAX Risk / Return Rank: 56
OEGAX Sharpe Ratio Rank: 41
OEGAX Sortino Ratio Rank: 40
OEGAX Omega Ratio Rank: 38
OEGAX Calmar Ratio Rank: 84
OEGAX Martin Ratio Rank: 77

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. OEGAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Calamos Timpani SMID Growth Fund (CTIGX) and Invesco Discovery Mid Cap Growth Fund Class A (OEGAX). 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.

	CTIGX	OEGAX	Difference
Sharpe ratio: Return per unit of total volatility	2.19	1.74	+0.45
Sortino ratio: Return per unit of downside risk	2.78	2.45	+0.34
Omega ratio: Gain probability vs. loss probability	1.36	1.31	+0.06
Calmar ratio: Return relative to maximum drawdown	5.25	3.77	+1.48
Martin ratio: Return relative to average drawdown	19.96	13.44	+6.52

CTIGX vs. OEGAX - Sharpe Ratio Comparison

The current CTIGX Sharpe Ratio is 2.19, which is comparable to the OEGAX Sharpe Ratio of 1.74. The chart below compares the historical Sharpe Ratios of CTIGX and OEGAX, 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

CTIGX vs. OEGAX - Drawdown Comparison

The maximum CTIGX drawdown since its inception was -46.26%, smaller than the maximum OEGAX drawdown of -53.73%. Use the drawdown chart below to compare losses from any high point for CTIGX and OEGAX.

Drawdown Indicators

	CTIGX	OEGAX	Difference
Max Drawdown Largest peak-to-trough decline	-46.26%	-53.73%	+7.47%
Max Drawdown (1Y) Largest decline over 1 year	-11.56%	-10.16%	-1.40%
Max Drawdown (3Y) Largest decline over 3 years	-29.30%	-28.64%	-0.66%
Max Drawdown (5Y) Largest decline over 5 years	-46.26%	-39.38%	-6.88%
Max Drawdown (10Y) Largest decline over 10 years	—	-39.38%	—
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-18.48%	-12.75%	-5.73%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.03%	2.73%	+0.30%

Volatility

CTIGX vs. OEGAX - Volatility Comparison

Calamos Timpani SMID Growth Fund (CTIGX) has a higher volatility of 10.38% compared to Invesco Discovery Mid Cap Growth Fund Class A (OEGAX) at 7.60%. This indicates that CTIGX's price experiences larger fluctuations and is considered to be riskier than OEGAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CTIGX	OEGAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.38%	7.60%	+2.78%
Volatility (6M) Calculated over the trailing 6-month period	21.85%	17.81%	+4.04%
Volatility (1Y) Calculated over the trailing 1-year period	27.71%	22.01%	+5.70%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	27.26%	22.37%	+4.89%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	29.21%	22.20%	+7.01%

CTIGX vs. OEGAX - Expense Ratio Comparison

CTIGX has a 1.10% expense ratio, which is higher than OEGAX's 1.05% expense ratio.

Dividends

CTIGX vs. OEGAX - Dividend Comparison

CTIGX's dividend yield for the trailing twelve months is around 3.52%, less than OEGAX's 7.09% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CTIGX Calamos Timpani SMID Growth Fund	3.52%	4.59%	2.80%	0.00%	0.00%	11.76%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
OEGAX Invesco Discovery Mid Cap Growth Fund Class A	7.09%	9.10%	4.95%	0.00%	0.00%	18.94%	3.55%	4.40%	10.54%	9.32%	0.89%	4.27%

Frequently Asked Questions

Can I hold both CTIGX and OEGAX in my portfolio?

CTIGX and OEGAX have a correlation of 0.81, 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 OEGAX?

CTIGX has higher volatility (10.38%) compared to OEGAX (7.60%). In terms of maximum drawdown, CTIGX dropped -46.26% vs OEGAX's -53.73%.

Which has better risk-adjusted returns?

CTIGX currently has the higher Sharpe Ratio (2.19 vs 1.74), 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.