Correlation Analysis
Costco Wholesale Corp vs Symbotic Inc. Class A Common Stock
COST vs SYM
+0.435
Moderate positive
When one moves up, the other tends to follow.
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
Symbotic Inc. Class A Common Stock
↗SYM
Symbotic Inc. is an automation technology company that develops solutions to improve operating efficiencies in modern warehouses. The group designs, commercializes, and deploys end-to-end technology systems that significantly enhance supply chain operations. The company automates the processing of pallets, cases, and individual items within warehouse environments. Its systems strengthen operations at the front end of the supply chain and provide benefits to all supply partners downstream. The company operates in two geographical regions: the United States and international markets, with the majority of its revenue generated in the United States.
Market cap 6.7B · 2,000 employees
Time Series
Relative Performance
Who Moves First
SYM leads COST by 2 days
SYM tends to move before COST.
After testing 13 timing shifts, the strongest relationship was +0.436 (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
+0.417
10 periods · Return correlation when both series rose
Both Falling
N/A
4 periods · Return correlation when both series fell
Diverging
-0.461
21 periods · Return correlation when series moved apart
R-Squared
18.9%
Share of variance in one series explained by the other.
Trend Agreement
51.2%
How often both series moved in the same direction period-to-period.
Overlap Quality
960
Deep shared window — 960 usable pairs.
Significance
p < 0.001
95% CI: [0.382, 0.485]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
960 paired data points survived the daily window.
Raw input
1,254
960
Normalized
1,254
960
Prepared
1,254
960
Aligned
960
960
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
294
A: 294 / B: 0
Series A
Costco Wholesale Corp
COST
Market cap 451.9B
Stock · 1,254 raw → 1,254 prepared
Series B
Symbotic Inc. Class A Common Stock
SYM
Market cap 6.7B · 2,000 employees
Stock · 960 raw → 960 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
3
Estimated crossover points between normalized spreads.
Slope
0.0352
Linear regression slope.
Intercept
8.5410
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
COST
Costco Wholesale Corp
Highest
+0.977
Republic Services Inc.
RSG · 1,254 data points
Lowest
-0.912
Fiserv, Inc. Common Stock
FISV · 644 data points
SYM
Symbotic Inc. Class A Common Stock
Highest
+0.736
Alphabet Inc. Class C Capital Stock
GOOG · 960 data points
Lowest
+0.413
Exxon Mobil Corporation
XOM · 960 data points
Saved 7 hours ago · ID: stock-cost-vs-stock-sym-daily