SPYG vs. SPGI

Last updated Jun 4, 2026

SPYG (State Street SPDR Portfolio S&P 500 Growth ETF) is S&P 500 fund tracking the S&P 500 Growth Index, while SPGI (S&P Global Inc.) is a stock. Over the past 10 years, SPYG returned 18.20%/yr vs 15.22%/yr for SPGI. A 0.57 correlation means they provide meaningful diversification when combined.

Performance

SPYG vs. SPGI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in State Street SPDR Portfolio S&P 500 Growth ETF (SPYG) and S&P Global Inc. (SPGI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SPYG achieves a 13.75% return, which is significantly higher than SPGI's -20.74% return. Over the past 10 years, SPYG has outperformed SPGI with an annualized return of 18.20%, while SPGI has yielded a comparatively lower 15.22% annualized return.

SPYG

• 1D: -0.98%
• 1M: 7.38%
• YTD: 13.75%
• 6M: 13.57%
• 1Y: 33.95%
• 3Y*: 28.16%
• 5Y*: 16.07%
• 10Y*: 18.20%

SPGI

• 1D: -1.24%
• 1M: -2.71%
• YTD: -20.74%
• 6M: -17.14%
• 1Y: -18.85%
• 3Y*: 3.95%
• 5Y*: 2.25%
• 10Y*: 15.22%

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

SPYG vs. SPGI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SPYG State Street SPDR Portfolio S&P 500 Growth ETF	13.75%	22.09%	35.99%	30.02%	-29.41%	32.01%	33.46%	30.84%	-0.12%	27.24%
SPGI S&P Global Inc.	-20.74%	5.71%	13.94%	32.79%	-28.38%	44.68%	21.40%	62.27%	1.37%	59.32%

Correlation

The correlation between SPYG and SPGI is 0.17, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.17
Correlation (3Y) Calculated over the trailing 3-year period	0.37
Correlation (5Y) Calculated over the trailing 5-year period	0.55
Correlation (10Y) Calculated over the trailing 10-year period	0.60
Correlation (All Time) Calculated using the full available price history since Jan 3, 2001	0.57

Over the past year, the correlation between SPYG and SPGI has dropped to 0.17 - well below their long-term average of 0.57, suggesting their price drivers have been diverging.

Return for Risk

SPYG vs. SPGI — Risk / Return Rank

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

SPYG

SPYG Risk / Return Rank: 57
SPYG Sharpe Ratio Rank: 62
SPYG Sortino Ratio Rank: 60
SPYG Omega Ratio Rank: 59
SPYG Calmar Ratio Rank: 49
SPYG Martin Ratio Rank: 57

SPGI

SPGI Risk / Return Rank: 14
SPGI Sharpe Ratio Rank: 12
SPGI Sortino Ratio Rank: 14
SPGI Omega Ratio Rank: 12
SPGI Calmar Ratio Rank: 18
SPGI Martin Ratio Rank: 13

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.

SPYG vs. SPGI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for State Street SPDR Portfolio S&P 500 Growth ETF (SPYG) and S&P Global Inc. (SPGI). 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.

	SPYG	SPGI	Difference
Sharpe ratio: Return per unit of total volatility	2.12	-0.69	+2.82
Sortino ratio: Return per unit of downside risk	2.90	-0.77	+3.67
Omega ratio: Gain probability vs. loss probability	1.37	0.89	+0.48
Calmar ratio: Return relative to maximum drawdown	2.48	-0.62	+3.10
Martin ratio: Return relative to average drawdown	10.25	-1.22	+11.47
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SPYG vs. SPGI - Sharpe Ratio Comparison

The current SPYG Sharpe Ratio is 2.12, which is higher than the SPGI Sharpe Ratio of -0.69. The chart below compares the historical Sharpe Ratios of SPYG and SPGI, 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

	SPYG	SPGI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.12	-0.69	+2.82
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.76	0.09	+0.67
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.88	0.59	+0.30
Sharpe Ratio (All Time) Calculated using the full available price history	0.35	0.45	-0.09

Drawdowns

SPYG vs. SPGI - Drawdown Comparison

The maximum SPYG drawdown since its inception was -67.63%, smaller than the maximum SPGI drawdown of -74.67%. Use the drawdown chart below to compare losses from any high point for SPYG and SPGI.

Drawdown Indicators

	SPYG	SPGI	Difference
Max Drawdown Largest peak-to-trough decline	-67.63%	-74.67%	+7.04%
Max Drawdown (1Y) Largest decline over 1 year	-13.76%	-30.48%	+16.72%
Max Drawdown (3Y) Largest decline over 3 years	-22.14%	-30.48%	+8.34%
Max Drawdown (5Y) Largest decline over 5 years	-32.67%	-39.76%	+7.09%
Max Drawdown (10Y) Largest decline over 10 years	-32.67%	-39.76%	+7.09%
Current Drawdown Current decline from peak	-1.13%	-26.31%	+25.18%
Average Drawdown Average peak-to-trough decline	-24.33%	-15.22%	-9.11%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.32%	15.54%	-12.22%

Volatility

SPYG vs. SPGI - Volatility Comparison

The current volatility for State Street SPDR Portfolio S&P 500 Growth ETF (SPYG) is 4.35%, while S&P Global Inc. (SPGI) has a volatility of 7.74%. This indicates that SPYG experiences smaller price fluctuations and is considered to be less risky than SPGI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SPYG	SPGI	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.35%	7.74%	-3.39%
Volatility (6M) Calculated over the trailing 6-month period	12.46%	23.77%	-11.31%
Volatility (1Y) Calculated over the trailing 1-year period	16.06%	27.24%	-11.18%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.17%	24.45%	-3.28%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.64%	26.01%	-5.37%

Dividends

SPYG vs. SPGI - Dividend Comparison

SPYG's dividend yield for the trailing twelve months is around 0.47%, less than SPGI's 0.94% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SPGI S&P Global Inc.	0.94%	0.73%	0.73%	0.82%	0.99%	0.65%	0.82%	0.84%	1.18%	0.97%	1.34%	1.34%
SPYG State Street SPDR Portfolio S&P 500 Growth ETF	0.47%	0.52%	0.60%	1.15%	1.03%	0.62%	0.90%	1.37%	1.51%	1.41%	1.55%	1.57%

Frequently Asked Questions

Can I hold both SPYG and SPGI in my portfolio?

SPYG and SPGI have a correlation of 0.17, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SPYG or SPGI?

SPGI has higher volatility (7.74%) compared to SPYG (4.35%). In terms of maximum drawdown, SPYG dropped -67.63% vs SPGI's -74.67%.

Which has better risk-adjusted returns?

SPYG currently has the higher Sharpe Ratio (2.12 vs -0.69), 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.