SPYM vs. RSPG

Last updated Apr 2, 2026

Compare and contrast key facts about State Street SPDR Portfolio S&P 500 ETF (SPYM) and Invesco S&P 500 Equal Weight Energy ETF (RSPG).

SPYM and RSPG are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. SPYM is a passively managed fund by State Street that tracks the performance of the S&P 500 Index. It was launched on Nov 8, 2005. RSPG is a passively managed fund by Invesco that tracks the performance of the S&P 500 Equal Weight Energy Plus Index. It was launched on Nov 1, 2006. Both SPYM and RSPG are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

Performance

SPYM vs. RSPG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in State Street SPDR Portfolio S&P 500 ETF (SPYM) and Invesco S&P 500 Equal Weight Energy ETF (RSPG). The values are adjusted to include any dividend payments, if applicable.

SPYM vs. RSPG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SPYM State Street SPDR Portfolio S&P 500 ETF	-3.63%	17.79%	25.00%	26.24%	-18.09%	28.78%	18.49%	31.99%	-4.78%	21.30%
RSPG Invesco S&P 500 Equal Weight Energy ETF	33.74%	7.01%	6.09%	4.49%	57.97%	57.73%	-32.44%	13.38%	-24.68%	-6.39%

Returns By Period

In the year-to-date period, SPYM achieves a -3.63% return, which is significantly lower than RSPG's 33.74% return. Over the past 10 years, SPYM has outperformed RSPG with an annualized return of 14.21%, while RSPG has yielded a comparatively lower 11.25% annualized return.

SPYM

• 1D: 0.76%
• 1M: -4.28%
• YTD: -3.63%
• 6M: -1.39%
• 1Y: 18.21%
• 3Y*: 18.57%
• 5Y*: 11.94%
• 10Y*: 14.21%

RSPG

• 1D: -3.23%
• 1M: 4.35%
• YTD: 33.74%
• 6M: 33.64%
• 1Y: 31.63%
• 3Y*: 18.70%
• 5Y*: 23.95%
• 10Y*: 11.25%

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

SPYM vs. RSPG - Expense Ratio Comparison

SPYM has a 0.02% expense ratio, which is lower than RSPG's 0.40% expense ratio.

RSPG

Invesco S&P 500 Equal Weight Energy ETF

SPYM

State Street SPDR Portfolio S&P 500 ETF

Return for Risk

SPYM vs. RSPG — Risk / Return Rank

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

SPYM

SPYM Risk / Return Rank: 60
SPYM Sharpe Ratio Rank: 54
SPYM Sortino Ratio Rank: 57
SPYM Omega Ratio Rank: 61
SPYM Calmar Ratio Rank: 59
SPYM Martin Ratio Rank: 69

RSPG

RSPG Risk / Return Rank: 56
RSPG Sharpe Ratio Rank: 63
RSPG Sortino Ratio Rank: 57
RSPG Omega Ratio Rank: 60
RSPG Calmar Ratio Rank: 57
RSPG Martin Ratio Rank: 44

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.

SPYM vs. RSPG - Risk-Adjusted Trends Comparison

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

	SPYM	RSPG	Difference
Sharpe ratio Return per unit of total volatility	1.00	1.15	-0.15
Sortino ratio Return per unit of downside risk	1.53	1.54	-0.01
Omega ratio Gain probability vs. loss probability	1.23	1.23	0.00
Calmar ratio Return relative to maximum drawdown	1.55	1.55	0.00
Martin ratio Return relative to average drawdown	7.32	4.32	+2.99
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SPYM vs. RSPG - Sharpe Ratio Comparison

The current SPYM Sharpe Ratio is 1.00, which is comparable to the RSPG Sharpe Ratio of 1.15. The chart below compares the historical Sharpe Ratios of SPYM and RSPG, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	SPYM	RSPG	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.00	1.15	-0.15
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.71	0.84	-0.13
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.79	0.34	+0.46
Sharpe Ratio (All Time) Calculated using the full available price history	0.58	0.18	+0.40

Correlation

The correlation between SPYM and RSPG is 0.52, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

SPYM vs. RSPG - Dividend Comparison

SPYM's dividend yield for the trailing twelve months is around 1.15%, less than RSPG's 1.95% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SPYM State Street SPDR Portfolio S&P 500 ETF	1.15%	1.13%	1.28%	1.44%	1.69%	1.25%	1.54%	1.79%	2.23%	1.75%	1.97%	1.98%
RSPG Invesco S&P 500 Equal Weight Energy ETF	1.95%	2.60%	2.43%	2.84%	3.43%	2.37%	3.15%	2.15%	2.18%	2.55%	1.14%	2.80%

Drawdowns

SPYM vs. RSPG - Drawdown Comparison

The maximum SPYM drawdown since its inception was -54.46%, smaller than the maximum RSPG drawdown of -79.98%. Use the drawdown chart below to compare losses from any high point for SPYM and RSPG.

Drawdown Indicators

	SPYM	RSPG	Difference
Max Drawdown Largest peak-to-trough decline	-54.46%	-79.98%	+25.52%
Max Drawdown (1Y) Largest decline over 1 year	-12.02%	-21.05%	+9.03%
Max Drawdown (5Y) Largest decline over 5 years	-24.48%	-28.44%	+3.96%
Max Drawdown (10Y) Largest decline over 10 years	-33.87%	-73.17%	+39.30%
Current Drawdown Current decline from peak	-5.54%	-6.04%	+0.50%
Average Drawdown Average peak-to-trough decline	-7.21%	-25.63%	+18.42%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.55%	7.55%	-5.00%

Volatility

SPYM vs. RSPG - Volatility Comparison

The current volatility for State Street SPDR Portfolio S&P 500 ETF (SPYM) is 5.33%, while Invesco S&P 500 Equal Weight Energy ETF (RSPG) has a volatility of 6.30%. This indicates that SPYM experiences smaller price fluctuations and is considered to be less risky than RSPG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SPYM	RSPG	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.33%	6.30%	-0.97%
Volatility (6M) Calculated over the trailing 6-month period	9.48%	15.29%	-5.81%
Volatility (1Y) Calculated over the trailing 1-year period	18.25%	27.69%	-9.44%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.81%	28.51%	-11.70%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.99%	33.58%	-15.59%