RSPG vs. IDMO

Last updated Jul 17, 2026

RSPG (Invesco S&P 500 Equal Weight Energy ETF) and IDMO (Invesco S&P International Developed Momentum ETF) are both exchange-traded funds - RSPG is a Energy Equities fund tracking the S&P 500 Equal Weight Energy Plus 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, RSPG returned 8.97%/yr vs 12.47%/yr for IDMO. At a 0.29 correlation, their price movements are largely independent. RSPG charges 0.40%/yr vs 0.25%/yr for IDMO.

Performance

RSPG vs. IDMO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco S&P 500 Equal Weight Energy ETF (RSPG) 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, RSPG achieves a 31.41% return, which is significantly higher than IDMO's 8.27% return. Over the past 10 years, RSPG has underperformed IDMO with an annualized return of 8.97%, while IDMO has yielded a comparatively higher 12.47% annualized return.

RSPG

• 1D: 0.76%
• 1M: 4.16%
• 6M: 25.06%
• YTD: 31.41%
• 1Y: 41.95%
• 3Y*: 16.82%
• 5Y*: 24.31%
• 10Y*: 8.97%

IDMO

• 1D: -1.59%
• 1M: -2.15%
• 6M: 5.42%
• YTD: 8.27%
• 1Y: 21.68%
• 3Y*: 24.84%
• 5Y*: 15.50%
• 10Y*: 12.47%

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

RSPG vs. IDMO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RSPG Invesco S&P 500 Equal Weight Energy ETF	31.41%	7.01%	6.09%	4.49%	57.97%	57.73%	-32.44%	13.38%	-24.68%	-6.39%
IDMO Invesco S&P International Developed Momentum ETF	8.27%	42.17%	12.79%	20.16%	-12.03%	14.31%	22.01%	26.09%	-16.66%	29.21%

Correlation

The correlation between RSPG and IDMO is -0.10, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.10
Correlation (3Y) Calculated over the trailing 3-year period	0.13
Correlation (5Y) Calculated over the trailing 5-year period	0.32
Correlation (10Y) Calculated over the trailing 10-year period	0.29
Correlation (All Time) Calculated using the full available price history since Feb 24, 2012	0.29

The correlation between RSPG and IDMO shifts across timeframes, from -0.10 (1 year) to 0.32 (5 years), reflecting how their relationship changes across market environments.

RSPG vs. IDMO - Sectors Allocation Comparison

Sectors	RSPG	IDMO
Energy	100.0%	1.7%
Financial Services	0.0%	43.2%
Basic Materials	-	10.6%
Communication Services	-	2.1%
Consumer Cyclical	-	1.5%
Consumer Defensive	-	2.5%
Healthcare	-	1.1%
Industrials	-	21.3%
Real Estate	-	1.8%
Technology	-	6.2%
Utilities	-	7.9%

Return for Risk

RSPG vs. IDMO — Risk / Return Rank

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

RSPG

RSPG Risk / Return Rank: 68
RSPG Sharpe Ratio Rank: 76
RSPG Sortino Ratio Rank: 68
RSPG Omega Ratio Rank: 64
RSPG Calmar Ratio Rank: 75
RSPG Martin Ratio Rank: 57

IDMO

IDMO Risk / Return Rank: 42
IDMO Sharpe Ratio Rank: 39
IDMO Sortino Ratio Rank: 40
IDMO Omega Ratio Rank: 39
IDMO Calmar Ratio Rank: 42
IDMO Martin Ratio Rank: 51

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.

RSPG vs. IDMO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco S&P 500 Equal Weight Energy ETF (RSPG) 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.

	RSPG	IDMO	Difference
Sharpe ratio: Return per unit of total volatility	1.92	1.18	+0.75
Sortino ratio: Return per unit of downside risk	2.49	1.74	+0.74
Omega ratio: Gain probability vs. loss probability	1.31	1.22	+0.09
Calmar ratio: Return relative to maximum drawdown	3.07	1.77	+1.30
Martin ratio: Return relative to average drawdown	7.85	6.94	+0.90

RSPG vs. IDMO - Sharpe Ratio Comparison

The current RSPG Sharpe Ratio is 1.92, which is higher than the IDMO Sharpe Ratio of 1.18. The chart below compares the historical Sharpe Ratios of RSPG 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

RSPG vs. IDMO - Drawdown Comparison

The maximum RSPG drawdown since its inception was -79.98%, which is greater than IDMO's maximum drawdown of -39.38%. Use the drawdown chart below to compare losses from any high point for RSPG and IDMO.

Drawdown Indicators

	RSPG	IDMO	Difference
Max Drawdown Largest peak-to-trough decline	-79.98%	-39.38%	-40.60%
Max Drawdown (1Y) Largest decline over 1 year	-13.72%	-12.31%	-1.41%
Max Drawdown (3Y) Largest decline over 3 years	-23.06%	-12.65%	-10.41%
Max Drawdown (5Y) Largest decline over 5 years	-28.44%	-27.07%	-1.37%
Max Drawdown (10Y) Largest decline over 10 years	-73.17%	-31.34%	-41.83%
Current Drawdown Current decline from peak	-7.68%	-3.93%	-3.75%
Average Drawdown Average peak-to-trough decline	-25.37%	-9.70%	-15.67%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.36%	3.13%	+2.23%

Volatility

RSPG vs. IDMO - Volatility Comparison

Invesco S&P 500 Equal Weight Energy ETF (RSPG) and Invesco S&P International Developed Momentum ETF (IDMO) have volatilities of 6.06% and 5.93%, 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

	RSPG	IDMO	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.06%	5.93%	+0.13%
Volatility (6M) Calculated over the trailing 6-month period	16.85%	16.86%	-0.01%
Volatility (1Y) Calculated over the trailing 1-year period	21.94%	18.53%	+3.41%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	28.05%	18.14%	+9.91%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	33.46%	17.89%	+15.57%

RSPG vs. IDMO - Expense Ratio Comparison

RSPG has a 0.40% expense ratio, which is higher than IDMO's 0.25% expense ratio.

Dividends

RSPG vs. IDMO - Dividend Comparison

RSPG's dividend yield for the trailing twelve months is around 2.02%, less than IDMO's 3.69% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IDMO Invesco S&P International Developed Momentum ETF	3.69%	3.71%	2.24%	2.89%	3.66%	1.81%	1.63%	2.78%	3.27%	3.08%	2.18%	2.52%
RSPG Invesco S&P 500 Equal Weight Energy ETF	2.02%	2.60%	2.43%	2.84%	3.43%	2.37%	3.15%	2.15%	2.18%	2.55%	1.14%	2.80%

Frequently Asked Questions

Can I hold both RSPG and IDMO in my portfolio?

RSPG and IDMO have a correlation of -0.10, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RSPG or IDMO?

RSPG has higher volatility (6.06%) compared to IDMO (5.93%). In terms of maximum drawdown, RSPG dropped -79.98% vs IDMO's -39.38%.

Which ETF is better, RSPG or IDMO?

On 10-year performance, IDMO leads with 12.47% vs 8.97% for RSPG. On fees, IDMO is cheaper at 0.25% per year. On volatility, IDMO has been the lower-risk option at 5.93%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, RSPG or IDMO?

Over the 10-year period, IDMO has performed better with a 12.47% return vs 8.97%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, RSPG or IDMO?

IDMO is cheaper with a 0.25% expense ratio, compared with 0.40% for RSPG.

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

IDMO has the higher dividend yield at 3.69%, compared with 2.02% for RSPG.

What is the main difference between RSPG and IDMO?

RSPG is categorized as Energy Equities, while IDMO is Momentum. RSPG tracks S&P 500 Equal Weight Energy Plus Index, while IDMO tracks S&P Momentum Developed ex U.S. & South Korea LargeMidCap Index. Their fees differ too: 0.40% for RSPG and 0.25% for IDMO.

Which has better risk-adjusted returns?

RSPG currently has the higher Sharpe Ratio (1.92 vs 1.18), 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.