Correlation Analysis
Microsoft Corp vs Casey's General Stores Inc
MSFT vs CASY
+0.811
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
Casey's General Stores Inc
↗CASY
Casey's General Stores Inc serves as convenience store chain with its 2,900 locations, positioned in the Midwest United States. About half of Casey's stores are located in rural towns with populations under 5,000. While fueling stations serve as a key traffic driver, about two-thirds of the company's gross profit stems from in-store sales of grocery items, prepared meals, and general merchandise. Casey's owns more than 90% of its stores and operates the majority of its warehousing and distribution processes internally.
Market cap 27.6B · 49,272 employees
Time Series
Relative Performance
Who Moves First
MSFT leads CASY by 6 days
MSFT tends to move before CASY.
After testing 13 timing shifts, the strongest relationship was +0.823 (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
+0.288
14 periods · Return correlation when both series rose
Both Falling
+0.596
6 periods · Return correlation when both series fell
Diverging
-0.847
15 periods · Return correlation when series moved apart
R-Squared
65.8%
Share of variance in one series explained by the other.
Trend Agreement
55.5%
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: [0.792, 0.829]
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
Casey's General Stores Inc
CASY
Market cap 27.6B · 49,272 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
40
Estimated crossover points between normalized spreads.
Slope
1.3243
Linear regression slope.
Intercept
-152.8867
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 5 hours ago · ID: stock-msft-vs-stock-casy-daily-20260408-6s47f0