Correlation Analysis
Microsoft Corp vs S&P Global Inc.
MSFT vs SPGI
+0.851
Very strong positive
When one moves up, the other tends to follow.
Microsoft Corp
↗MSFT
Microsoft develops and licenses consumer and enterprise software. It is known for its Windows operating systems and Office productivity suite. The company is organized into three equally sized broad segments: productivity and business processes (legacy Microsoft Office, cloud-based Office 365, Exchange, SharePoint, Skype, LinkedIn, Dynamics), intelligence cloud (infrastructure- and platform-as-a-service offerings Azure, Windows Server OS, SQL Server), and more personal computing (Windows Client, Xbox, Bing search, display advertising, and Surface laptops, tablets, and desktops).
Market cap 2.8T
S&P Global Inc.
↗SPGI
S&P Global provides data and benchmarks to capital and commodity market participants. Its ratings business is the largest credit rating agency in the world and S&P's largest segment by profitability. S&P's largest segment by revenue is market intelligence, which provides desktop, data and advisory solutions, enterprise solutions, and credit/risk solutions mostly in the financial-services industry. S&P's other segments include energy (formerly commodity insights, this segment includes Platts and other data), mobility (Carfax), and indexes. S&P plans to spin off mobility in 2026.
Market cap 128.5B · 44,500 employees
Time Series
Relative Performance
Who Moves First
in sync
MSFT and SPGI tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was +0.851 (they moved in the same direction).
Do They Crash Together?
Correlation by Market Regime
How these series behave when markets are rising, falling, or diverging. A correlation that holds in drawdowns is very different from one that only works in rallies.
Both Rising
+0.257
15 periods · Return correlation when both series rose
Both Falling
+0.901
7 periods · Return correlation when both series fell
Diverging
-0.832
13 periods · Return correlation when series moved apart
R-Squared
72.5%
Share of variance in one series explained by the other.
Trend Agreement
68.2%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,254
Deep shared window — 1,254 usable pairs.
Significance
p < 0.001
95% CI: [0.835, 0.866]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,254 paired data points survived the daily window.
Raw input
1,254
1,254
Normalized
1,254
1,254
Prepared
1,254
1,254
Aligned
1,254
1,254
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
0
A: 0 / B: 0
Series A
Microsoft Corp
MSFT
Market cap 2.8T
Stock · 1,254 raw → 1,254 prepared
Series B
S&P Global Inc.
SPGI
Market cap 128.5B · 44,500 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
37
Estimated crossover points between normalized spreads.
Slope
0.6571
Linear regression slope.
Intercept
195.0160
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 5 hours ago · ID: stock-msft-vs-stock-spgi-daily-20260408-2j518y