ODIIX vs. PNSAX

Last updated Jun 23, 2026

ODIIX (Invesco Discovery Fund Class R6) and PNSAX (Putnam Small Cap Growth Fund) are both Small Cap Growth Equities funds. Over the past 10 years, ODIIX returned 17.47%/yr vs 16.52%/yr for PNSAX. Their correlation of 0.95 suggests significant overlap in exposure. ODIIX charges 0.65%/yr vs 1.23%/yr for PNSAX.

Performance

ODIIX vs. PNSAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco Discovery Fund Class R6 (ODIIX) and Putnam Small Cap Growth Fund (PNSAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ODIIX achieves a 36.95% return, which is significantly higher than PNSAX's 25.36% return. Over the past 10 years, ODIIX has outperformed PNSAX with an annualized return of 17.47%, while PNSAX has yielded a comparatively lower 16.52% annualized return.

ODIIX

• 1D: 2.48%
• 1M: 7.08%
• YTD: 36.95%
• 6M: 32.90%
• 1Y: 62.06%
• 3Y*: 28.11%
• 5Y*: 11.98%
• 10Y*: 17.47%

PNSAX

• 1D: 2.46%
• 1M: 7.03%
• YTD: 25.36%
• 6M: 21.81%
• 1Y: 38.30%
• 3Y*: 22.44%
• 5Y*: 10.68%
• 10Y*: 16.52%

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

ODIIX vs. PNSAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ODIIX Invesco Discovery Fund Class R6	36.95%	17.14%	23.04%	17.46%	-31.00%	15.37%	50.87%	37.36%	-3.68%	29.58%
PNSAX Putnam Small Cap Growth Fund	25.36%	8.91%	22.98%	22.87%	-28.10%	14.38%	47.65%	37.60%	-2.46%	20.19%

Correlation

The correlation between ODIIX and PNSAX is 0.85, 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	0.85
Correlation (3Y) Calculated over the trailing 3-year period	0.92
Correlation (5Y) Calculated over the trailing 5-year period	0.95
Correlation (10Y) Calculated over the trailing 10-year period	0.95
Correlation (All Time) Calculated using the full available price history since Jan 27, 2012	0.95

The correlation between ODIIX and PNSAX has been stable across timeframes, ranging from 0.85 to 0.95 - a consistent structural relationship.

Return for Risk

ODIIX vs. PNSAX — Risk / Return Rank

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

ODIIX

ODIIX Risk / Return Rank: 87
ODIIX Sharpe Ratio Rank: 88
ODIIX Sortino Ratio Rank: 79
ODIIX Omega Ratio Rank: 74
ODIIX Calmar Ratio Rank: 97
ODIIX Martin Ratio Rank: 97

PNSAX

PNSAX Risk / Return Rank: 42
PNSAX Sharpe Ratio Rank: 36
PNSAX Sortino Ratio Rank: 34
PNSAX Omega Ratio Rank: 33
PNSAX Calmar Ratio Rank: 56
PNSAX Martin Ratio Rank: 49

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.

ODIIX vs. PNSAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Discovery Fund Class R6 (ODIIX) and Putnam Small Cap Growth Fund (PNSAX). 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.

	ODIIX	PNSAX	Difference
Sharpe ratio: Return per unit of total volatility	2.67	1.62	+1.05
Sortino ratio: Return per unit of downside risk	3.43	2.26	+1.17
Omega ratio: Gain probability vs. loss probability	1.44	1.28	+0.16
Calmar ratio: Return relative to maximum drawdown	6.19	2.74	+3.45
Martin ratio: Return relative to average drawdown	24.12	9.52	+14.60

ODIIX vs. PNSAX - Sharpe Ratio Comparison

The current ODIIX Sharpe Ratio is 2.67, which is higher than the PNSAX Sharpe Ratio of 1.62. The chart below compares the historical Sharpe Ratios of ODIIX and PNSAX, 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

ODIIX vs. PNSAX - Drawdown Comparison

The maximum ODIIX drawdown since its inception was -43.06%, smaller than the maximum PNSAX drawdown of -69.47%. Use the drawdown chart below to compare losses from any high point for ODIIX and PNSAX.

Drawdown Indicators

	ODIIX	PNSAX	Difference
Max Drawdown Largest peak-to-trough decline	-43.06%	-69.47%	+26.41%
Max Drawdown (1Y) Largest decline over 1 year	-11.36%	-14.00%	+2.64%
Max Drawdown (3Y) Largest decline over 3 years	-28.52%	-26.25%	-2.27%
Max Drawdown (5Y) Largest decline over 5 years	-43.06%	-38.77%	-4.29%
Max Drawdown (10Y) Largest decline over 10 years	-43.06%	-38.77%	-4.29%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-10.13%	-23.51%	+13.38%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.79%	4.02%	-1.23%

Volatility

ODIIX vs. PNSAX - Volatility Comparison

Invesco Discovery Fund Class R6 (ODIIX) has a higher volatility of 9.33% compared to Putnam Small Cap Growth Fund (PNSAX) at 8.82%. This indicates that ODIIX's price experiences larger fluctuations and is considered to be riskier than PNSAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ODIIX	PNSAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.33%	8.82%	+0.51%
Volatility (6M) Calculated over the trailing 6-month period	21.73%	19.49%	+2.24%
Volatility (1Y) Calculated over the trailing 1-year period	26.39%	23.77%	+2.62%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.75%	23.46%	+2.29%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.02%	23.69%	+1.33%

ODIIX vs. PNSAX - Expense Ratio Comparison

ODIIX has a 0.65% expense ratio, which is lower than PNSAX's 1.23% expense ratio.

Dividends

ODIIX vs. PNSAX - Dividend Comparison

ODIIX's dividend yield for the trailing twelve months is around 7.26%, more than PNSAX's 0.34% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ODIIX Invesco Discovery Fund Class R6	7.26%	9.94%	5.27%	0.00%	0.00%	16.15%	9.22%	5.40%	16.05%	10.90%	3.86%	6.15%
PNSAX Putnam Small Cap Growth Fund	0.34%	0.42%	0.00%	0.00%	0.00%	15.27%	4.87%	1.93%	1.88%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both ODIIX and PNSAX in my portfolio?

ODIIX and PNSAX have a correlation of 0.85, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ODIIX or PNSAX?

ODIIX has higher volatility (9.33%) compared to PNSAX (8.82%). In terms of maximum drawdown, ODIIX dropped -43.06% vs PNSAX's -69.47%.

Which has better risk-adjusted returns?

ODIIX currently has the higher Sharpe Ratio (2.67 vs 1.62), 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.