XLG vs. IDMO

Last updated Jun 5, 2026

XLG (Invesco S&P 500 Top 50 ETF) and IDMO (Invesco S&P International Developed Momentum ETF) are both exchange-traded funds - XLG is a S&P 500 fund tracking the S&P 500 Top 50 Index, 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, XLG returned 17.28%/yr vs 12.04%/yr for IDMO. A 0.50 correlation means they provide meaningful diversification when combined. XLG charges 0.20%/yr vs 0.25%/yr for IDMO.

Performance

XLG vs. IDMO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco S&P 500 Top 50 ETF (XLG) and Invesco S&P International Developed Momentum ETF (IDMO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with XLG having a 8.03% return and IDMO slightly higher at 8.19%. Over the past 10 years, XLG has outperformed IDMO with an annualized return of 17.28%, while IDMO has yielded a comparatively lower 12.04% annualized return.

XLG

• 1D: 0.42%
• 1M: 4.19%
• YTD: 8.03%
• 6M: 7.64%
• 1Y: 28.88%
• 3Y*: 24.70%
• 5Y*: 16.34%
• 10Y*: 17.28%

IDMO

• 1D: 0.42%
• 1M: 1.27%
• YTD: 8.19%
• 6M: 12.09%
• 1Y: 23.26%
• 3Y*: 26.17%
• 5Y*: 15.63%
• 10Y*: 12.04%

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

XLG vs. IDMO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
XLG Invesco S&P 500 Top 50 ETF	8.03%	19.51%	33.49%	38.16%	-24.29%	30.77%	24.15%	32.04%	-3.59%	23.04%
IDMO Invesco S&P International Developed Momentum ETF	8.19%	42.17%	12.79%	20.16%	-12.03%	14.31%	22.01%	26.09%	-16.66%	29.21%

Correlation

The correlation between XLG 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	0.61
Correlation (5Y) Calculated over the trailing 5-year period	0.65
Correlation (10Y) Calculated over the trailing 10-year period	0.57
Correlation (All Time) Calculated using the full available price history since Feb 27, 2012	0.50

The correlation between XLG and IDMO shifts across timeframes, from 0.50 (all time) to 0.65 (5 years), reflecting how their relationship changes across market environments.

XLG vs. IDMO - Sectors Allocation Comparison

Sectors	XLG	IDMO
Technology	43.9%	5.3%
Communication Services	17.1%	2.2%
Consumer Cyclical	11.3%	1.4%
Financial Services	9.6%	42.4%
Healthcare	7.0%	1.2%
Consumer Defensive	5.8%	2.5%
Energy	2.7%	1.9%
Industrials	1.9%	22.6%
Basic Materials	0.6%	10.2%
Real Estate	-	2.0%
Utilities	-	8.4%

Return for Risk

XLG vs. IDMO — Risk / Return Rank

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

XLG

XLG Risk / Return Rank: 60
XLG Sharpe Ratio Rank: 67
XLG Sortino Ratio Rank: 65
XLG Omega Ratio Rank: 65
XLG Calmar Ratio Rank: 48
XLG Martin Ratio Rank: 52

IDMO

IDMO Risk / Return Rank: 42
IDMO Sharpe Ratio Rank: 40
IDMO Sortino Ratio Rank: 41
IDMO Omega Ratio Rank: 41
IDMO Calmar Ratio Rank: 40
IDMO Martin Ratio Rank: 48

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.

XLG vs. IDMO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco S&P 500 Top 50 ETF (XLG) 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.

	XLG	IDMO	Difference
Sharpe ratio: Return per unit of total volatility	2.18	1.38	+0.79
Sortino ratio: Return per unit of downside risk	2.95	2.04	+0.91
Omega ratio: Gain probability vs. loss probability	1.38	1.26	+0.13
Calmar ratio: Return relative to maximum drawdown	2.34	1.90	+0.44
Martin ratio: Return relative to average drawdown	8.77	7.89	+0.87
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

XLG vs. IDMO - Sharpe Ratio Comparison

The current XLG Sharpe Ratio is 2.18, which is higher than the IDMO Sharpe Ratio of 1.38. The chart below compares the historical Sharpe Ratios of XLG 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.

Sharpe Ratios by Period

	XLG	IDMO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.18	1.38	+0.79
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.88	0.88	0.00
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.92	0.67	+0.25
Sharpe Ratio (All Time) Calculated using the full available price history	0.63	0.45	+0.17

Drawdowns

XLG vs. IDMO - Drawdown Comparison

The maximum XLG drawdown since its inception was -52.39%, which is greater than IDMO's maximum drawdown of -39.38%. Use the drawdown chart below to compare losses from any high point for XLG and IDMO.

Drawdown Indicators

	XLG	IDMO	Difference
Max Drawdown Largest peak-to-trough decline	-52.39%	-39.38%	-13.01%
Max Drawdown (1Y) Largest decline over 1 year	-12.41%	-12.31%	-0.10%
Max Drawdown (3Y) Largest decline over 3 years	-20.70%	-12.65%	-8.05%
Max Drawdown (5Y) Largest decline over 5 years	-28.02%	-27.07%	-0.95%
Max Drawdown (10Y) Largest decline over 10 years	-30.46%	-31.34%	+0.88%
Current Drawdown Current decline from peak	-1.02%	-1.90%	+0.88%
Average Drawdown Average peak-to-trough decline	-7.64%	-9.75%	+2.11%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.30%	2.95%	+0.35%

Volatility

XLG vs. IDMO - Volatility Comparison

The current volatility for Invesco S&P 500 Top 50 ETF (XLG) is 3.19%, while Invesco S&P International Developed Momentum ETF (IDMO) has a volatility of 6.31%. This indicates that XLG 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

	XLG	IDMO	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.19%	6.31%	-3.12%
Volatility (6M) Calculated over the trailing 6-month period	9.81%	14.88%	-5.07%
Volatility (1Y) Calculated over the trailing 1-year period	13.32%	16.88%	-3.56%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.68%	17.83%	+0.85%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.84%	18.11%	+0.73%

XLG vs. IDMO - Expense Ratio Comparison

XLG has a 0.20% expense ratio, which is lower than IDMO's 0.25% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

XLG vs. IDMO - Dividend Comparison

XLG's dividend yield for the trailing twelve months is around 0.60%, less than IDMO's 3.52% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IDMO Invesco S&P International Developed Momentum ETF	3.52%	3.71%	2.24%	2.89%	3.66%	1.81%	1.63%	2.78%	3.27%	3.08%	2.18%	2.52%
XLG Invesco S&P 500 Top 50 ETF	0.60%	0.64%	0.72%	0.97%	1.34%	0.94%	1.25%	1.58%	2.00%	1.85%	2.00%	2.09%

Frequently Asked Questions

Can I hold both XLG and IDMO in my portfolio?

XLG 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, XLG or IDMO?

IDMO has higher volatility (6.31%) compared to XLG (3.19%). In terms of maximum drawdown, XLG dropped -52.39% vs IDMO's -39.38%.

Which ETF is better, XLG or IDMO?

On 10-year performance, XLG leads with 17.28% vs 12.04% for IDMO. On fees, XLG is cheaper at 0.20% per year. On volatility, XLG has been the lower-risk option at 3.19%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, XLG or IDMO?

Over the 10-year period, XLG has performed better with a 17.28% return vs 12.04%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, XLG or IDMO?

XLG is cheaper with a 0.20% expense ratio, compared with 0.25% for IDMO.

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

IDMO has the higher dividend yield at 3.52%, compared with 0.60% for XLG.

What is the main difference between XLG and IDMO?

XLG is categorized as S&P 500, while IDMO is Momentum. XLG tracks S&P 500 Top 50 Index, while IDMO tracks S&P Momentum Developed ex U.S. & South Korea LargeMidCap Index. Their fees differ too: 0.20% for XLG and 0.25% for IDMO.

Which has better risk-adjusted returns?

XLG currently has the higher Sharpe Ratio (2.18 vs 1.38), 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.