Correlation Analysis
Casey's General Stores Inc vs Mastercard Incorporated
CASY vs MA
+0.887
Very strong positive
When one moves up, the other tends to follow.
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
Mastercard Incorporated
↗MA
Mastercard is the second-largest payment processor in the world, having processed close to $11 trillion in volume during 2025. Mastercard operates in over 200 countries and processes transactions in over 150 currencies.
Market cap 447.2B
Time Series
Relative Performance
Who Moves First
MA leads CASY by 6 days
MA tends to move before CASY.
After testing 13 timing shifts, the strongest relationship was +0.893 (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
+0.079
12 periods · Return correlation when both series rose
Both Falling
+0.677
6 periods · Return correlation when both series fell
Diverging
-0.759
17 periods · Return correlation when series moved apart
R-Squared
78.7%
Share of variance in one series explained by the other.
Trend Agreement
58.5%
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: [0.875, 0.898]
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
Casey's General Stores Inc
CASY
Market cap 27.6B · 49,272 employees
Stock · 1,254 raw → 1,254 prepared
Series B
Mastercard Incorporated
MA
Market cap 447.2B
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
41
Estimated crossover points between normalized spreads.
Slope
0.5540
Linear regression slope.
Intercept
254.1496
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 7 hours ago · ID: stock-casy-vs-stock-ma-daily