Correlation Analysis
Costco Wholesale Corp vs MetLife, Inc.
COST vs MET
+0.805
Strong 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
MetLife, Inc.
↗MET
MetLife is one of the largest life insurers in the US by assets and provides a variety of life insurance and annuity products. It is organized into six segments: Group Benefits, Retirement and Income Solutions, Asia, Latin America, Europe/Middle East/Africa (EMEA), and MetLife Holdings (products in run-off). Group Benefits and RIS are US-based, contributing to around 48% of the firm's 2024 adjusted earnings. The Asia segment contributes around 25% of earnings, mainly tied to Japan. The company also holds leading market positions in Mexico and Chile, with the Latin America segment contributing around 13% of 2024 earnings. The EMEA and MetLife Holdings segments contributed around 4% and 10% of 2024 earnings, respectively.
Market cap 46.3B · 46,000 employees
Time Series
Relative Performance
Who Moves First
COST leads MET by 6 days
COST tends to move before MET.
After testing 13 timing shifts, the strongest relationship was +0.808 (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
+0.157
13 periods · Return correlation when both series rose
Both Falling
+0.257
7 periods · Return correlation when both series fell
Diverging
-0.586
15 periods · Return correlation when series moved apart
R-Squared
64.8%
Share of variance in one series explained by the other.
Trend Agreement
58.3%
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: [0.785, 0.824]
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
MetLife, Inc.
MET
Market cap 46.3B · 46,000 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
0.0312
Linear regression slope.
Intercept
48.5175
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 4 hours ago · ID: stock-cost-vs-stock-met-daily