Correlation Analysis
Amazon.Com Inc vs Casey's General Stores Inc
AMZN vs CASY
+0.773
Strong positive
When one moves up, the other tends to follow.
Amazon.Com Inc
↗AMZN
Amazon is the leading online retailer and marketplace for third party sellers. Retail related revenue represents approximately 74% of total, followed by Amazon Web Services (17%), and advertising services (9%). International segments constitute 22% of Amazon's total revenue, led by Germany, the United Kingdom, and Japan.
Market cap 2.3T
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
Rebased to 100
Who Moves First
CASY leads AMZN by 6 days
CASY tends to move before AMZN.
Best correlation after shifting: +0.776 (13 shifts scanned)
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
+0.018
15 periods · Return correlation when both series rose
Both Falling
+0.740
6 periods · Return correlation when both series fell
Diverging
-0.531
14 periods · Return correlation when series moved apart
R-Squared
59.8%
Share of variance in one series explained by the other.
Trend Agreement
55.1%
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: [0.750, 0.795]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,254 paired observations 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
Amazon.Com Inc
AMZN
Market cap 2.3T
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
7
Estimated crossover points between normalized spreads.
Slope
2.5118
Linear regression slope.
Intercept
-96.9114
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 3 hours ago · ID: stock-amzn-vs-stock-casy-daily-20260408-4dxs6b