SPGI vs. MU

Last updated Jun 13, 2026

SPGI (S&P Global Inc.) and MU (Micron Technology, Inc.) are both stocks. SPGI operates in Financial Data & Stock Exchanges (Financial Services), while MU operates in Semiconductors (Technology). Over the past 10 years, SPGI returned 15.70%/yr vs 55.83%/yr for MU. At a 0.32 correlation, their price movements are largely independent.

Performance

SPGI vs. MU - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in S&P Global Inc. (SPGI) and Micron Technology, Inc. (MU). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SPGI achieves a -19.47% return, which is significantly lower than MU's 244.07% return. Over the past 10 years, SPGI has underperformed MU with an annualized return of 15.70%, while MU has yielded a comparatively higher 55.83% annualized return.

SPGI

• 1D: 1.35%
• 1M: 3.28%
• YTD: -19.47%
• 6M: -16.00%
• 1Y: -16.50%
• 3Y*: 3.19%
• 5Y*: 2.16%
• 10Y*: 15.70%

MU

• 1D: -1.43%
• 1M: 22.15%
• YTD: 244.07%
• 6M: 307.41%
• 1Y: 746.93%
• 3Y*: 144.69%
• 5Y*: 66.21%
• 10Y*: 55.83%

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

SPGI vs. MU - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SPGI S&P Global Inc.	-19.47%	5.71%	13.94%	32.79%	-28.38%	44.68%	21.40%	62.27%	1.37%	59.32%
MU Micron Technology, Inc.	244.07%	240.24%	-0.96%	71.93%	-45.93%	24.21%	39.79%	69.49%	-22.84%	87.59%

Correlation

The correlation between SPGI and MU is -0.15, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.15
Correlation (3Y) Calculated over the trailing 3-year period	0.06
Correlation (5Y) Calculated over the trailing 5-year period	0.20
Correlation (10Y) Calculated over the trailing 10-year period	0.28
Correlation (All Time) Calculated using the full available price history since Jan 2, 2001	0.32

The correlation between SPGI and MU shifts across timeframes, from -0.15 (1 year) to 0.32 (all time), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap SPGI : $124.67B MU : $1.12T
EPS SPGI : $15.79 MU : $21.26
PE Ratio SPGI : 26.53 MU : 46.18
PEG Ratio SPGI : 3.47 MU : 0.17
PS Ratio SPGI : 8.06 MU : 19.16
PB Ratio SPGI : 3.98 MU : 15.44
Total Revenue (TTM) SPGI : $15.73B MU : $58.12B
Gross Profit (TTM) SPGI : $8.15B MU : $33.96B
EBITDA (TTM) SPGI : $7.83B MU : $25.99B

Return for Risk

SPGI vs. MU — Risk / Return Rank

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

SPGI

SPGI Risk / Return Rank: 19
SPGI Sharpe Ratio Rank: 17
SPGI Sortino Ratio Rank: 18
SPGI Omega Ratio Rank: 17
SPGI Calmar Ratio Rank: 24
SPGI Martin Ratio Rank: 22

MU

MU Risk / Return Rank: 99
MU Sharpe Ratio Rank: 100
MU Sortino Ratio Rank: 99
MU Omega Ratio Rank: 98
MU Calmar Ratio Rank: 100
MU Martin Ratio Rank: 100

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.

SPGI vs. MU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for S&P Global Inc. (SPGI) and Micron Technology, Inc. (MU). 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.

	SPGI	MU	Difference
Sharpe ratio: Return per unit of total volatility	-0.60	10.83	-11.43
Sortino ratio: Return per unit of downside risk	-0.63	6.14	-6.77
Omega ratio: Gain probability vs. loss probability	0.91	1.78	-0.88
Calmar ratio: Return relative to maximum drawdown	-0.54	24.91	-25.45
Martin ratio: Return relative to average drawdown	-1.03	94.64	-95.66

SPGI vs. MU - Sharpe Ratio Comparison

The current SPGI Sharpe Ratio is -0.60, which is lower than the MU Sharpe Ratio of 10.83. The chart below compares the historical Sharpe Ratios of SPGI and MU, 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

SPGI vs. MU - Drawdown Comparison

The maximum SPGI drawdown since its inception was -74.67%, smaller than the maximum MU drawdown of -98.25%. Use the drawdown chart below to compare losses from any high point for SPGI and MU.

Drawdown Indicators

	SPGI	MU	Difference
Max Drawdown Largest peak-to-trough decline	-74.67%	-98.25%	+23.58%
Max Drawdown (1Y) Largest decline over 1 year	-30.48%	-30.28%	-0.20%
Max Drawdown (3Y) Largest decline over 3 years	-30.48%	-57.63%	+27.15%
Max Drawdown (5Y) Largest decline over 5 years	-39.76%	-57.63%	+17.87%
Max Drawdown (10Y) Largest decline over 10 years	-39.76%	-57.63%	+17.87%
Current Drawdown Current decline from peak	-25.12%	-9.07%	-16.05%
Average Drawdown Average peak-to-trough decline	-15.23%	-58.16%	+42.93%
Ulcer Index Depth and duration of drawdowns from previous peaks	16.07%	7.95%	+8.12%

Volatility

SPGI vs. MU - Volatility Comparison

The current volatility for S&P Global Inc. (SPGI) is 7.62%, while Micron Technology, Inc. (MU) has a volatility of 32.86%. This indicates that SPGI experiences smaller price fluctuations and is considered to be less risky than MU based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SPGI	MU	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.62%	32.86%	-25.24%
Volatility (6M) Calculated over the trailing 6-month period	24.13%	57.74%	-33.61%
Volatility (1Y) Calculated over the trailing 1-year period	27.63%	69.66%	-42.03%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	24.51%	53.18%	-28.67%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	26.03%	50.12%	-24.09%

Dividends

SPGI vs. MU - Dividend Comparison

SPGI's dividend yield for the trailing twelve months is around 0.92%, more than MU's 0.05% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MU Micron Technology, Inc.	0.05%	0.16%	0.55%	0.54%	0.89%	0.21%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SPGI S&P Global Inc.	0.92%	0.73%	0.73%	0.82%	0.99%	0.65%	0.82%	0.84%	1.18%	0.97%	1.34%	1.34%

Financials

SPGI vs. MU - Profitability Comparison

The chart below illustrates the profitability comparison between S&P Global Inc. and Micron Technology, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

SPGI - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, S&P Global Inc. reported a gross profit of 0.00 and revenue of 4.17B. Therefore, the gross margin over that period was 0.0%.

MU - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Micron Technology, Inc. reported a gross profit of 17.75B and revenue of 23.86B. Therefore, the gross margin over that period was 74.4%.

SPGI - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, S&P Global Inc. reported an operating income of 2.00B and revenue of 4.17B, resulting in an operating margin of 48.0%.

MU - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Micron Technology, Inc. reported an operating income of 16.13B and revenue of 23.86B, resulting in an operating margin of 67.6%.

SPGI - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, S&P Global Inc. reported a net income of 1.40B and revenue of 4.17B, resulting in a net margin of 33.5%.

MU - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Micron Technology, Inc. reported a net income of 13.79B and revenue of 23.86B, resulting in a net margin of 57.8%.

Frequently Asked Questions

Can I hold both SPGI and MU in my portfolio?

SPGI and MU have a correlation of -0.15, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SPGI or MU?

MU has higher volatility (32.86%) compared to SPGI (7.62%). In terms of maximum drawdown, SPGI dropped -74.67% vs MU's -98.25%.

Which has better risk-adjusted returns?

MU currently has the higher Sharpe Ratio (10.83 vs -0.60), 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.