Correlation Analysis
Costco Wholesale Corp vs Sysco Corporation
COST vs SYY
-0.132
Weak inverse
When one moves up, the other tends to move down.
Costco Wholesale Corp
↗COST
Founded in 1983, Costco Wholesale now operates a global chain of membership-based warehouse clubs, delivering high-quality goods and services at consistently low prices. As of its most recent fiscal year, Costco operated approximately 910 warehouses, serving more than 80 million members across its three geographic segments: Costco US (approximately 73% of total revenue), Costco Canada (13%), and Costco International (14%).Costco's core value proposition—quality products at unbeatable prices—has yielded consistently strong member renewal rates (93% in the US and Canada and nearly 90% internationally). About 55% of Costco's fiscal 2025 revenue came from its grocery offerings, and another 25% from general merchandise.
Market cap 451.9B
Sysco Corporation
↗SYY
Sysco is the largest US foodservice distributor with 18% share of the highly fragmented $377 billion domestic market. It distributes roughly 500,000 food and nonfood products to restaurants (60% of fiscal 2025 revenue), education and government buildings (8%), healthcare facilities (8%), travel and leisure (7%), and other locations (17%) where individuals consume away-from-home meals. In fiscal 2025, 70% of the firm's revenue was derived from its US foodservice operations, while its international (18%), quick-service logistics (10%), and other (2%) segments contributed the rest.
Market cap 35B · 75,000 employees
Time Series
Relative Performance
Who Moves First
SYY leads COST by 6 days
SYY tends to move before COST.
After testing 13 timing shifts, the strongest relationship was -0.143 (they moved in opposite directions).
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
+0.687
15 periods · Return correlation when both series rose
Both Falling
-0.445
9 periods · Return correlation when both series fell
Diverging
-0.507
11 periods · Return correlation when series moved apart
R-Squared
1.8%
Share of variance in one series explained by the other.
Trend Agreement
58.8%
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: [-0.186, -0.078]
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
Costco Wholesale Corp
COST
Market cap 451.9B
Stock · 1,254 raw → 1,254 prepared
Series B
Sysco Corporation
SYY
Market cap 35B · 75,000 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
5
Estimated crossover points between normalized spreads.
Slope
-0.0031
Linear regression slope.
Intercept
79.2919
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 6 hours ago · ID: stock-cost-vs-stock-syy-daily