Correlation Analysis
Costco Wholesale Corp vs GlobalFoundries Inc. Ordinary Shares
COST vs GFS
-0.805
Strong 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
GlobalFoundries Inc. Ordinary Shares
↗GFS
GlobalFoundries is a top-five contract semiconductor manufacturer globally. It was originally the manufacturing arm of Advanced Micro Devices before it was spun out in 2009. The foundry sells chips into a range of end markets including smartphones, PCs, Internet of Things, data centers, automotive, industrial, and so on, but primarily focuses on more mature process technologies. Until 2021, the firm was privately held by Mubadala Investment, the sovereign wealth fund of the United Arab Emirates, which remains its controlling shareholder today. GlobalFoundries merged with Chartered Semiconductor Manufacturing in 2009 and acquired IBM's chipmaking business in 2015. GF is headquartered in Malta, New York, and has about 13,000 staff.
Market cap 23.9B · 14,000 employees
Time Series
Relative Performance
Who Moves First
COST leads GFS by 6 days
COST tends to move before GFS.
After testing 13 timing shifts, the strongest relationship was -0.813 (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
+0.283
12 periods · Return correlation when both series rose
Both Falling
+0.155
7 periods · Return correlation when both series fell
Diverging
-0.471
16 periods · Return correlation when series moved apart
R-Squared
64.7%
Share of variance in one series explained by the other.
Trend Agreement
60.8%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,113
Deep shared window — 1,113 usable pairs.
Significance
p < 0.001
95% CI: [-0.824, -0.783]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,113 paired data points survived the daily window.
Raw input
1,254
1,113
Normalized
1,254
1,113
Prepared
1,254
1,113
Aligned
1,113
1,113
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
141
A: 141 / B: 0
Series A
Costco Wholesale Corp
COST
Market cap 451.9B
Stock · 1,254 raw → 1,254 prepared
Series B
GlobalFoundries Inc. Ordinary Shares
GFS
Market cap 23.9B · 14,000 employees
Stock · 1,113 raw → 1,113 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
9
Estimated crossover points between normalized spreads.
Slope
-0.0405
Linear regression slope.
Intercept
79.2835
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
GFS
GlobalFoundries Inc. Ordinary Shares
Highest
-0.197
Johnson & Johnson
JNJ · 1,113 data points
Lowest
-0.807
Mastercard Incorporated
MA · 1,113 data points
Saved 6 hours ago · ID: stock-cost-vs-stock-gfs-daily