XSMO vs. IDMO

Last updated Jun 26, 2026

XSMO (Invesco S&P SmallCap Momentum ETF) and IDMO (Invesco S&P International Developed Momentum ETF) are both Momentum funds from Invesco - XSMO tracks the S&P SmallCap 600 Momentum Index while IDMO tracks the S&P Momentum Developed ex U.S. & South Korea LargeMidCap Index. Both are passively managed. Over the past 10 years, XSMO returned 15.89%/yr vs 13.04%/yr for IDMO. At a 0.48 correlation, their price movements are largely independent. XSMO charges 0.36%/yr vs 0.25%/yr for IDMO.

Performance

XSMO vs. IDMO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco S&P SmallCap Momentum ETF (XSMO) 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, XSMO achieves a 27.06% return, which is significantly higher than IDMO's 9.71% return. Over the past 10 years, XSMO has outperformed IDMO with an annualized return of 15.89%, while IDMO has yielded a comparatively lower 13.04% annualized return.

XSMO

• 1D: 1.54%
• 1M: 2.83%
• YTD: 27.06%
• 6M: 22.45%
• 1Y: 37.34%
• 3Y*: 26.09%
• 5Y*: 11.97%
• 10Y*: 15.89%

IDMO

• 1D: 1.25%
• 1M: -0.51%
• YTD: 9.71%
• 6M: 8.67%
• 1Y: 24.80%
• 3Y*: 26.44%
• 5Y*: 15.55%
• 10Y*: 13.04%

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

XSMO vs. IDMO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
XSMO Invesco S&P SmallCap Momentum ETF	27.06%	9.80%	17.45%	21.55%	-15.44%	19.24%	21.96%	28.65%	-3.44%	23.95%
IDMO Invesco S&P International Developed Momentum ETF	9.71%	42.17%	12.79%	20.16%	-12.03%	14.31%	22.01%	26.09%	-16.66%	29.21%

Correlation

The correlation between XSMO and IDMO is 0.63, 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	0.63
Correlation (3Y) Calculated over the trailing 3-year period	0.63
Correlation (5Y) Calculated over the trailing 5-year period	0.67
Correlation (10Y) Calculated over the trailing 10-year period	0.56
Correlation (All Time) Calculated using the full available price history since Feb 24, 2012	0.48

The correlation between XSMO and IDMO shifts across timeframes, from 0.48 (all time) to 0.67 (5 years), reflecting how their relationship changes across market environments.

XSMO vs. IDMO - Sectors Allocation Comparison

Sectors	XSMO	IDMO
Technology	22.1%	6.2%
Industrials	18.7%	21.3%
Healthcare	14.3%	1.1%
Financial Services	12.2%	43.2%
Consumer Cyclical	8.6%	1.5%
Basic Materials	6.0%	10.6%
Real Estate	4.9%	1.8%
Communication Services	4.5%	2.1%
Utilities	3.5%	7.9%
Energy	2.9%	1.7%
Consumer Defensive	2.4%	2.5%

Return for Risk

XSMO vs. IDMO — Risk / Return Rank

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

XSMO

XSMO Risk / Return Rank: 74
XSMO Sharpe Ratio Rank: 69
XSMO Sortino Ratio Rank: 71
XSMO Omega Ratio Rank: 63
XSMO Calmar Ratio Rank: 86
XSMO Martin Ratio Rank: 82

IDMO

IDMO Risk / Return Rank: 47
IDMO Sharpe Ratio Rank: 44
IDMO Sortino Ratio Rank: 45
IDMO Omega Ratio Rank: 45
IDMO Calmar Ratio Rank: 47
IDMO Martin Ratio Rank: 53

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.

XSMO vs. IDMO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco S&P SmallCap Momentum ETF (XSMO) 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.

	XSMO	IDMO	Difference
Sharpe ratio: Return per unit of total volatility	1.94	1.37	+0.56
Sortino ratio: Return per unit of downside risk	2.77	2.01	+0.76
Omega ratio: Gain probability vs. loss probability	1.33	1.26	+0.07
Calmar ratio: Return relative to maximum drawdown	4.22	2.02	+2.20
Martin ratio: Return relative to average drawdown	14.25	8.15	+6.10

XSMO vs. IDMO - Sharpe Ratio Comparison

The current XSMO Sharpe Ratio is 1.94, which is higher than the IDMO Sharpe Ratio of 1.37. The chart below compares the historical Sharpe Ratios of XSMO 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

XSMO vs. IDMO - Drawdown Comparison

The maximum XSMO drawdown since its inception was -58.06%, which is greater than IDMO's maximum drawdown of -39.38%. Use the drawdown chart below to compare losses from any high point for XSMO and IDMO.

Drawdown Indicators

	XSMO	IDMO	Difference
Max Drawdown Largest peak-to-trough decline	-58.06%	-39.38%	-18.68%
Max Drawdown (1Y) Largest decline over 1 year	-8.89%	-12.31%	+3.42%
Max Drawdown (3Y) Largest decline over 3 years	-24.76%	-12.65%	-12.11%
Max Drawdown (5Y) Largest decline over 5 years	-29.62%	-27.07%	-2.55%
Max Drawdown (10Y) Largest decline over 10 years	-39.39%	-31.34%	-8.05%
Current Drawdown Current decline from peak	0.00%	-2.65%	+2.65%
Average Drawdown Average peak-to-trough decline	-11.10%	-9.72%	-1.38%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.63%	3.05%	-0.42%

Volatility

XSMO vs. IDMO - Volatility Comparison

The current volatility for Invesco S&P SmallCap Momentum ETF (XSMO) is 6.76%, while Invesco S&P International Developed Momentum ETF (IDMO) has a volatility of 7.77%. This indicates that XSMO 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

	XSMO	IDMO	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.76%	7.77%	-1.01%
Volatility (6M) Calculated over the trailing 6-month period	14.97%	16.41%	-1.44%
Volatility (1Y) Calculated over the trailing 1-year period	19.42%	18.15%	+1.27%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.64%	18.10%	+4.54%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.12%	17.96%	+6.16%

XSMO vs. IDMO - Expense Ratio Comparison

XSMO has a 0.36% expense ratio, which is higher than IDMO's 0.25% expense ratio.

Dividends

XSMO vs. IDMO - Dividend Comparison

XSMO's dividend yield for the trailing twelve months is around 0.52%, 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%
XSMO Invesco S&P SmallCap Momentum ETF	0.52%	0.75%	0.63%	0.96%	1.19%	0.30%	0.82%	0.69%	0.66%	0.27%	0.30%	0.35%

Frequently Asked Questions

Can I hold both XSMO and IDMO in my portfolio?

XSMO and IDMO have a correlation of 0.63, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, XSMO or IDMO?

IDMO has higher volatility (7.77%) compared to XSMO (6.76%). In terms of maximum drawdown, XSMO dropped -58.06% vs IDMO's -39.38%.

Which ETF is better, XSMO or IDMO?

On 10-year performance, XSMO leads with 15.89% vs 13.04% for IDMO. On fees, IDMO is cheaper at 0.25% per year. On volatility, XSMO has been the lower-risk option at 6.76%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, XSMO or IDMO?

Over the 10-year period, XSMO has performed better with a 15.89% return vs 13.04%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, XSMO or IDMO?

IDMO is cheaper with a 0.25% expense ratio, compared with 0.36% for XSMO.

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

IDMO has the higher dividend yield at 3.64%, compared with 0.52% for XSMO.

What is the main difference between XSMO and IDMO?

XSMO tracks S&P SmallCap 600 Momentum Index, while IDMO tracks S&P Momentum Developed ex U.S. & South Korea LargeMidCap Index. Their fees differ too: 0.36% for XSMO and 0.25% for IDMO.

Which has better risk-adjusted returns?

XSMO currently has the higher Sharpe Ratio (1.94 vs 1.37), 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.