RSPH vs. IDMO

Last updated Jul 17, 2026

RSPH (Invesco S&P 500 Equal Weight Health Care ETF) and IDMO (Invesco S&P International Developed Momentum ETF) are both exchange-traded funds - RSPH is a Health & Biotech Equities fund tracking the S&P 500 Equal Weighted / Health Care -SEC, 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, RSPH returned 8.85%/yr vs 12.47%/yr for IDMO. At a 0.42 correlation, their price movements are largely independent. RSPH charges 0.40%/yr vs 0.25%/yr for IDMO.

Performance

RSPH vs. IDMO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco S&P 500 Equal Weight Health Care ETF (RSPH) 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 RSPH having a 8.20% return and IDMO slightly higher at 8.27%. Over the past 10 years, RSPH has underperformed IDMO with an annualized return of 8.85%, while IDMO has yielded a comparatively higher 12.47% annualized return.

RSPH

• 1D: 2.11%
• 1M: 7.39%
• 6M: 3.99%
• YTD: 8.20%
• 1Y: 21.46%
• 3Y*: 5.60%
• 5Y*: 3.70%
• 10Y*: 8.85%

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)

RSPH vs. IDMO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RSPH Invesco S&P 500 Equal Weight Health Care ETF	8.20%	9.52%	-0.94%	3.95%	-9.40%	23.19%	18.83%	25.48%	-0.66%	23.70%
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 RSPH and IDMO is 0.31, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.31
Correlation (3Y) Calculated over the trailing 3-year period	0.43
Correlation (5Y) Calculated over the trailing 5-year period	0.52
Correlation (10Y) Calculated over the trailing 10-year period	0.48
Correlation (All Time) Calculated using the full available price history since Feb 24, 2012	0.42

The correlation between RSPH and IDMO shifts across timeframes, from 0.31 (1 year) to 0.52 (5 years), reflecting how their relationship changes across market environments.

RSPH vs. IDMO - Sectors Allocation Comparison

Sectors	RSPH	IDMO
Healthcare	100.0%	1.1%
Financial Services	0.1%	43.2%
Basic Materials	-	10.6%
Communication Services	-	2.1%
Consumer Cyclical	-	1.5%
Consumer Defensive	-	2.5%
Energy	-	1.7%
Industrials	-	21.3%
Real Estate	-	1.8%
Technology	-	6.2%
Utilities	-	7.9%

Return for Risk

RSPH vs. IDMO — Risk / Return Rank

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

RSPH

RSPH Risk / Return Rank: 45
RSPH Sharpe Ratio Rank: 46
RSPH Sortino Ratio Rank: 49
RSPH Omega Ratio Rank: 44
RSPH Calmar Ratio Rank: 48
RSPH Martin Ratio Rank: 39

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.

RSPH vs. IDMO - Risk-Adjusted Trends Comparison

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

	RSPH	IDMO	Difference
Sharpe ratio: Return per unit of total volatility	1.32	1.18	+0.14
Sortino ratio: Return per unit of downside risk	1.98	1.74	+0.24
Omega ratio: Gain probability vs. loss probability	1.24	1.22	+0.02
Calmar ratio: Return relative to maximum drawdown	1.98	1.77	+0.21
Martin ratio: Return relative to average drawdown	4.98	6.94	-1.96

RSPH vs. IDMO - Sharpe Ratio Comparison

The current RSPH Sharpe Ratio is 1.32, which is comparable to the IDMO Sharpe Ratio of 1.18. The chart below compares the historical Sharpe Ratios of RSPH 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

RSPH vs. IDMO - Drawdown Comparison

The maximum RSPH drawdown since its inception was -40.49%, roughly equal to the maximum IDMO drawdown of -39.38%. Use the drawdown chart below to compare losses from any high point for RSPH and IDMO.

Drawdown Indicators

	RSPH	IDMO	Difference
Max Drawdown Largest peak-to-trough decline	-40.49%	-39.38%	-1.11%
Max Drawdown (1Y) Largest decline over 1 year	-10.87%	-12.31%	+1.44%
Max Drawdown (3Y) Largest decline over 3 years	-17.13%	-12.65%	-4.48%
Max Drawdown (5Y) Largest decline over 5 years	-21.95%	-27.07%	+5.12%
Max Drawdown (10Y) Largest decline over 10 years	-30.44%	-31.34%	+0.90%
Current Drawdown Current decline from peak	-0.55%	-3.93%	+3.38%
Average Drawdown Average peak-to-trough decline	-6.12%	-9.70%	+3.58%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.32%	3.13%	+1.19%

Volatility

RSPH vs. IDMO - Volatility Comparison

Invesco S&P 500 Equal Weight Health Care ETF (RSPH) and Invesco S&P International Developed Momentum ETF (IDMO) have volatilities of 5.93% 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

	RSPH	IDMO	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.93%	5.93%	0.00%
Volatility (6M) Calculated over the trailing 6-month period	11.77%	16.86%	-5.09%
Volatility (1Y) Calculated over the trailing 1-year period	16.34%	18.53%	-2.19%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.50%	18.14%	-1.64%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.75%	17.89%	-0.14%

RSPH vs. IDMO - Expense Ratio Comparison

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

Dividends

RSPH vs. IDMO - Dividend Comparison

RSPH's dividend yield for the trailing twelve months is around 0.68%, 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%
RSPH Invesco S&P 500 Equal Weight Health Care ETF	0.68%	0.70%	0.71%	0.66%	0.64%	0.50%	0.51%	0.54%	0.53%	0.47%	0.48%	0.49%

Frequently Asked Questions

Can I hold both RSPH and IDMO in my portfolio?

RSPH and IDMO have a correlation of 0.31, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RSPH or IDMO?

IDMO has higher volatility (5.93%) compared to RSPH (5.93%). In terms of maximum drawdown, RSPH dropped -40.49% vs IDMO's -39.38%.

Which ETF is better, RSPH or IDMO?

On 10-year performance, IDMO leads with 12.47% vs 8.85% for RSPH. On fees, IDMO is cheaper at 0.25% 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, RSPH or IDMO?

Over the 10-year period, IDMO has performed better with a 12.47% return vs 8.85%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, RSPH or IDMO?

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

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

IDMO has the higher dividend yield at 3.69%, compared with 0.68% for RSPH.

What is the main difference between RSPH and IDMO?

RSPH is categorized as Health & Biotech Equities, while IDMO is Momentum. RSPH tracks S&P 500 Equal Weighted / Health Care -SEC, while IDMO tracks S&P Momentum Developed ex U.S. & South Korea LargeMidCap Index. Their fees differ too: 0.40% for RSPH and 0.25% for IDMO.

Which has better risk-adjusted returns?

RSPH currently has the higher Sharpe Ratio (1.32 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.