PDN vs. IDMO

Last updated Jun 24, 2026

PDN (Invesco FTSE RAFI Developed Markets ex-U.S. Small-Mid ETF) and IDMO (Invesco S&P International Developed Momentum ETF) are both exchange-traded funds - PDN is a Foreign Small & Mid Cap Equities fund tracking the FTSE RAFI Developed x US Mid/Small, while IDMO is a Momentum fund tracking the S&P Momentum Developed ex U.S. & South Korea LargeMidCap Index. Both are passively managed. Over the past 10 years, PDN returned 8.78%/yr vs 13.51%/yr for IDMO. A 0.61 correlation means they provide meaningful diversification when combined. PDN charges 0.49%/yr vs 0.25%/yr for IDMO.

Performance

PDN vs. IDMO - 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 Invesco S&P International Developed Momentum ETF (IDMO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PDN achieves a 7.41% return, which is significantly lower than IDMO's 9.69% return. Over the past 10 years, PDN has underperformed IDMO with an annualized return of 8.78%, while IDMO has yielded a comparatively higher 13.51% annualized return.

PDN

• 1D: -2.19%
• 1M: -3.17%
• YTD: 7.41%
• 6M: 7.22%
• 1Y: 22.25%
• 3Y*: 17.73%
• 5Y*: 6.30%
• 10Y*: 8.78%

IDMO

• 1D: -2.67%
• 1M: 1.51%
• YTD: 9.69%
• 6M: 8.93%
• 1Y: 26.34%
• 3Y*: 26.46%
• 5Y*: 15.55%
• 10Y*: 13.51%

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

PDN vs. IDMO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PDN Invesco FTSE RAFI Developed Markets ex-U.S. Small-Mid ETF	7.41%	38.34%	0.57%	13.35%	-17.35%	9.03%	10.65%	19.17%	-18.38%	30.74%
IDMO Invesco S&P International Developed Momentum ETF	9.69%	42.17%	12.79%	20.16%	-12.03%	14.31%	22.01%	26.09%	-16.66%	29.21%

Correlation

The correlation between PDN and IDMO is 0.84, 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	0.84
Correlation (3Y) Calculated over the trailing 3-year period	0.83
Correlation (5Y) Calculated over the trailing 5-year period	0.86
Correlation (10Y) Calculated over the trailing 10-year period	0.73
Correlation (All Time) Calculated using the full available price history since Feb 24, 2012	0.61

Over the past year, PDN and IDMO have become more correlated (0.84) than their long-term average of 0.61, meaning their price movements have been converging.

PDN vs. IDMO - Sectors Allocation Comparison

Sectors	PDN	IDMO
Industrials	23.2%	21.3%
Financial Services	12.7%	43.2%
Consumer Cyclical	11.7%	1.5%
Basic Materials	10.5%	10.6%
Technology	10.1%	6.2%
Real Estate	8.7%	1.8%
Healthcare	5.7%	1.1%
Consumer Defensive	5.3%	2.5%
Energy	4.8%	1.7%
Communication Services	4.5%	2.1%
Utilities	2.7%	7.9%

Return for Risk

PDN vs. IDMO — Risk / Return Rank

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

PDN

PDN Risk / Return Rank: 44
PDN Sharpe Ratio Rank: 44
PDN Sortino Ratio Rank: 44
PDN Omega Ratio Rank: 44
PDN Calmar Ratio Rank: 42
PDN Martin Ratio Rank: 47

IDMO

IDMO Risk / Return Rank: 45
IDMO Sharpe Ratio Rank: 43
IDMO Sortino Ratio Rank: 44
IDMO Omega Ratio Rank: 43
IDMO Calmar Ratio Rank: 44
IDMO Martin Ratio Rank: 52

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.

PDN vs. IDMO - 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 Invesco S&P International Developed Momentum ETF (IDMO). 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	IDMO	Difference
Sharpe ratio: Return per unit of total volatility	1.46	1.46	0.00
Sortino ratio: Return per unit of downside risk	2.08	2.12	-0.05
Omega ratio: Gain probability vs. loss probability	1.27	1.27	0.00
Calmar ratio: Return relative to maximum drawdown	1.99	2.15	-0.16
Martin ratio: Return relative to average drawdown	7.45	8.70	-1.25

PDN vs. IDMO - Sharpe Ratio Comparison

The current PDN Sharpe Ratio is 1.46, which is comparable to the IDMO Sharpe Ratio of 1.46. The chart below compares the historical Sharpe Ratios of PDN and IDMO, 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. IDMO - Drawdown Comparison

The maximum PDN drawdown since its inception was -59.32%, which is greater than IDMO's maximum drawdown of -39.38%. Use the drawdown chart below to compare losses from any high point for PDN and IDMO.

Drawdown Indicators

	PDN	IDMO	Difference
Max Drawdown Largest peak-to-trough decline	-59.32%	-39.38%	-19.94%
Max Drawdown (1Y) Largest decline over 1 year	-11.26%	-12.31%	+1.05%
Max Drawdown (3Y) Largest decline over 3 years	-13.25%	-12.65%	-0.60%
Max Drawdown (5Y) Largest decline over 5 years	-33.68%	-27.07%	-6.61%
Max Drawdown (10Y) Largest decline over 10 years	-41.94%	-31.34%	-10.60%
Current Drawdown Current decline from peak	-5.11%	-2.67%	-2.44%
Average Drawdown Average peak-to-trough decline	-11.57%	-9.73%	-1.84%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.99%	3.03%	-0.04%

Volatility

PDN vs. IDMO - Volatility Comparison

The current volatility for Invesco FTSE RAFI Developed Markets ex-U.S. Small-Mid ETF (PDN) is 5.67%, while Invesco S&P International Developed Momentum ETF (IDMO) has a volatility of 7.84%. This indicates that PDN experiences smaller price fluctuations and is considered to be less risky than IDMO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PDN	IDMO	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.67%	7.84%	-2.17%
Volatility (6M) Calculated over the trailing 6-month period	13.10%	16.34%	-3.24%
Volatility (1Y) Calculated over the trailing 1-year period	15.37%	18.13%	-2.76%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.47%	18.09%	-1.62%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.96%	17.95%	-0.99%

PDN vs. IDMO - Expense Ratio Comparison

PDN has a 0.49% expense ratio, which is higher than IDMO's 0.25% expense ratio.

Dividends

PDN vs. IDMO - Dividend Comparison

PDN's dividend yield for the trailing twelve months is around 3.32%, less than IDMO's 3.64% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IDMO Invesco S&P International Developed Momentum ETF	3.64%	3.71%	2.24%	2.89%	3.66%	1.81%	1.63%	2.78%	3.27%	3.08%	2.18%	2.52%
PDN Invesco FTSE RAFI Developed Markets ex-U.S. Small-Mid ETF	3.32%	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 IDMO in my portfolio?

PDN and IDMO have a correlation of 0.84, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PDN or IDMO?

IDMO has higher volatility (7.84%) compared to PDN (5.67%). In terms of maximum drawdown, PDN dropped -59.32% vs IDMO's -39.38%.

Which ETF is better, PDN or IDMO?

On 10-year performance, IDMO leads with 13.51% vs 8.78% for PDN. On fees, IDMO is cheaper at 0.25% per year. On volatility, PDN has been the lower-risk option at 5.67%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, PDN or IDMO?

Over the 10-year period, IDMO has performed better with a 13.51% return vs 8.78%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, PDN or IDMO?

IDMO is cheaper with a 0.25% expense ratio, compared with 0.49% for PDN.

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

IDMO has the higher dividend yield at 3.64%, compared with 3.32% for PDN.

What is the main difference between PDN and IDMO?

PDN is categorized as Foreign Small & Mid Cap Equities, while IDMO is Momentum. PDN tracks FTSE RAFI Developed x US Mid/Small, while IDMO tracks S&P Momentum Developed ex U.S. & South Korea LargeMidCap Index. Their fees differ too: 0.49% for PDN and 0.25% for IDMO.

Which has better risk-adjusted returns?

IDMO currently has the higher Sharpe Ratio (1.46 vs 1.46), 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.