Correlation Analysis
Microsoft Corp vs Plains All American Pipeline, L.P. Common Units representing Limited Partner Interests
MSFT vs PAA
+0.799
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
Plains All American Pipeline, L.P. Common Units representing Limited Partner Interests
↗PAA
Plains All American Pipeline LP, through its subsidiaries, engages in the pipeline transportation, terminaling, storage, and gathering of crude oil and natural gas liquids (NGL) in the United States and Canada. The company operates through two segments, Crude Oil and NGL. The Crude Oil segment offers gathering and transporting crude oil through pipelines, gathering systems, trucks, barges, or railcars. The NGL segment is involved in natural gas processing and NGL fractionation, storage, transportation, and terminalling. It generates the majority of its revenue from the Crude Oil segment.
Market cap 15.4B · 4,200 employees
Time Series
Relative Performance
Who Moves First
MSFT leads PAA by 6 days
MSFT tends to move before PAA.
After testing 13 timing shifts, the strongest relationship was +0.804 (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
+0.134
13 periods · Return correlation when both series rose
Both Falling
+0.895
5 periods · Return correlation when both series fell
Diverging
-0.631
17 periods · Return correlation when series moved apart
R-Squared
63.9%
Share of variance in one series explained by the other.
Trend Agreement
55.2%
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: [0.778, 0.818]
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
Plains All American Pipeline, L.P. Common Units representing Limited Partner Interests
PAA
Market cap 15.4B · 4,200 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
9
Estimated crossover points between normalized spreads.
Slope
0.0329
Linear regression slope.
Intercept
2.8597
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
MSFT
Microsoft Corp
Highest
+0.938
Cadence Design Systems
CDNS · 1,254 data points
Lowest
-0.867
Bristol-Myers Squibb Co.
BMY · 1,254 data points
PAA
Plains All American Pipeline, L.P. Common Units representing Limited Partner Interests
Highest
+0.938
Eli Lilly & Co.
LLY · 1,254 data points
Lowest
+0.164
Johnson & Johnson
JNJ · 1,254 data points
Saved 5 hours ago · ID: stock-msft-vs-stock-paa-daily-20260408-sk0eyo