PDN vs. DFIS

Last updated Aug 2, 2026

PDN (Invesco FTSE RAFI Developed Markets ex-U.S. Small-Mid ETF) and DFIS (Dimensional International Small Cap ETF) are both Foreign Small & Mid Cap Equities funds. PDN is passively managed, while DFIS is actively managed. Over the past 3 years, PDN returned 16.30%/yr vs 17.80%/yr for DFIS. Their 0.96 correlation means they have historically moved very closely together. PDN charges 0.49%/yr vs 0.39%/yr for DFIS.

Performance

PDN vs. DFIS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco FTSE RAFI Developed Markets ex-U.S. Small-Mid ETF (PDN) and Dimensional International Small Cap ETF (DFIS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PDN achieves a 9.46% return, which is significantly lower than DFIS's 10.27% return.

PDN

• 1D: -1.00%
• 1M: 0.32%
• 6M: 3.05%
• YTD: 9.46%
• 1Y: 21.59%
• 3Y*: 16.30%
• 5Y*: 6.75%
• 10Y*: 8.32%
• ALL TIME*: 5.65%

DFIS

• 1D: -0.53%
• 1M: 0.97%
• 6M: 3.96%
• YTD: 10.27%
• 1Y: 23.28%
• 3Y*: 17.80%
• 5Y*: —
• 10Y*: —
• ALL TIME*: 11.18%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
DFIS Dimensional International Small Cap ETF	$29.11M	$39.67M	$26.91M
PDN Invesco FTSE RAFI Developed Markets ex-U.S. Small-Mid ETF	$407.49K	$457.49K	$907.00K

PDN vs. DFIS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
PDN Invesco FTSE RAFI Developed Markets ex-U.S. Small-Mid ETF	9.46%	38.34%	0.57%	13.35%	-12.01%
DFIS Dimensional International Small Cap ETF	10.27%	37.49%	3.80%	15.19%	-12.50%

Correlation

The correlation between PDN and DFIS is 0.94, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.94
Correlation (3Y) Balances recent behavior with more history.	0.95
Correlation (All Time) Calculated using the full available price history since Mar 24, 2022	0.96

The correlation between PDN and DFIS has been stable across timeframes, ranging from 0.94 to 0.96 - a consistent structural relationship.

PDN vs. DFIS - Sectors Allocation Comparison

Sectors	PDN	DFIS
Industrials	2.5%	24.4%
Basic Materials	2.2%	13.8%
Technology	2.1%	9.4%
Energy	1.9%	5.3%
Consumer Cyclical	1.5%	13.8%
Financial Services	1.4%	12.5%
Real Estate	1.2%	3.5%
Healthcare	1.0%	5.5%
Utilities	0.8%	3.1%
Consumer Defensive	0.6%	5.3%
Communication Services	0.3%	3.5%

Return for Risk

PDN vs. DFIS — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

PDN

PDN Risk / Return Rank: 58
PDN Sharpe Ratio Rank: 59
PDN Sortino Ratio Rank: 59
PDN Omega Ratio Rank: 60
PDN Calmar Ratio Rank: 54
PDN Martin Ratio Rank: 56

DFIS

DFIS Risk / Return Rank: 63
DFIS Sharpe Ratio Rank: 68
DFIS Sortino Ratio Rank: 68
DFIS Omega Ratio Rank: 66
DFIS Calmar Ratio Rank: 54
DFIS Martin Ratio Rank: 58

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

PDN vs. DFIS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco FTSE RAFI Developed Markets ex-U.S. Small-Mid ETF (PDN) and Dimensional International Small Cap ETF (DFIS). 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.

	PDN	DFIS	Difference
Sharpe ratio: Return per unit of total volatility	1.40	1.55	-0.15
Sortino ratio: Return per unit of downside risk	2.03	2.20	-0.17
Omega ratio: Gain probability vs. loss probability	1.26	1.28	-0.02
Calmar ratio: Return relative to maximum drawdown	1.93	1.90	+0.03
Martin ratio: Return relative to average drawdown	6.69	6.91	-0.22

PDN vs. DFIS - Sharpe Ratio Comparison

The current PDN Sharpe Ratio is 1.40, which is comparable to the DFIS Sharpe Ratio of 1.55. The chart below compares the historical Sharpe Ratios of PDN and DFIS, 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

PDN vs. DFIS - Drawdown Comparison

The maximum PDN drawdown since its inception was -59.32%, which is greater than DFIS's maximum drawdown of -27.23%. Use the drawdown chart below to compare losses from any high point for PDN and DFIS.

Drawdown Indicators

	PDN	DFIS	Difference
Max Drawdown Largest peak-to-trough decline	-59.32%	-27.23%	-32.09%
Max Drawdown (1Y) Largest decline over 1 year	-11.26%	-12.44%	+1.18%
Max Drawdown (3Y) Largest decline over 3 years	-12.69%	-13.55%	+0.86%
Max Drawdown (5Y) Largest decline over 5 years	-33.68%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-41.94%	—	—
Current Drawdown Current decline from peak	-3.30%	-1.91%	-1.39%
Average Drawdown Average peak-to-trough decline	-11.52%	-6.05%	-5.47%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.25%	3.41%	-0.16%

Volatility

PDN vs. DFIS - Volatility Comparison

Invesco FTSE RAFI Developed Markets ex-U.S. Small-Mid ETF (PDN) and Dimensional International Small Cap ETF (DFIS) have volatilities of 4.42% and 4.37%, 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

	PDN	DFIS	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.42%	4.37%	+0.05%
Volatility (6M) Calculated over the trailing 6-month period	13.40%	13.16%	+0.24%
Volatility (1Y) Calculated over the trailing 1-year period	15.50%	15.21%	+0.29%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.47%	17.27%	-0.80%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.92%	17.27%	-0.35%

PDN vs. DFIS - Expense Ratio Comparison

PDN has a 0.49% expense ratio, which is higher than DFIS's 0.39% expense ratio.

Dividends

PDN vs. DFIS - Dividend Comparison

PDN's dividend yield for the trailing twelve months is around 3.26%, more than DFIS's 1.99% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DFIS Dimensional International Small Cap ETF	1.99%	2.23%	2.19%	2.36%	1.13%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
PDN Invesco FTSE RAFI Developed Markets ex-U.S. Small-Mid ETF	3.26%	3.36%	3.36%	3.16%	2.68%	2.42%	1.79%	2.60%	2.21%	2.42%	2.16%	2.06%

Frequently Asked Questions

Can I hold both PDN and DFIS in my portfolio?

With a correlation of 0.94, PDN and DFIS move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, PDN or DFIS?

PDN has higher volatility (4.42%) compared to DFIS (4.37%). In terms of maximum drawdown, PDN dropped -59.32% vs DFIS's -27.23%.

Which ETF is better, PDN or DFIS?

On 3-year performance, DFIS leads with 17.80% vs 16.30% for PDN. On fees, DFIS is cheaper at 0.39% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, PDN or DFIS?

Over the 3-year period, DFIS has performed better with a 17.80% return vs 16.30%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, PDN or DFIS?

DFIS is cheaper with a 0.39% expense ratio, compared with 0.49% for PDN.

Which ETF pays a higher dividend yield, PDN or DFIS?

PDN has the higher dividend yield at 3.26%, compared with 1.99% for DFIS.

What is the main difference between PDN and DFIS?

They also come from different issuers: Invesco and Dimensional. Their fees differ too: 0.49% for PDN and 0.39% for DFIS.

Which has better risk-adjusted returns?

DFIS currently has the higher Sharpe Ratio (1.55 vs 1.40), 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.