Correlation Analysis
GlobalFoundries Inc. Ordinary Shares vs Tesla, Inc. Common Stock
GFS vs TSLA
-0.454
Moderate inverse
When one moves up, the other tends to move down.
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
Tesla, Inc. Common Stock
↗TSLA
Tesla is a vertically integrated battery electric vehicle automaker and developer of real world artificial intelligence software, which includes autonomous driving and humanoid robots. The company has multiple vehicles in its fleet, which include luxury and midsize sedans, crossover SUVs, a light truck, and a semi truck. Tesla also plans to begin selling a sports car and offer a robotaxi service. Global deliveries in 2025 were nearly 1.64 million vehicles. The company sells batteries for stationary storage for residential and commercial properties including utilities and solar panels and solar roofs for energy generation. Tesla also owns a fast-charging network and an auto insurance business.
Market cap 1.3T
Time Series
Relative Performance
Who Moves First
GFS leads TSLA by 6 days
GFS tends to move before TSLA.
After testing 13 timing shifts, the strongest relationship was -0.492 (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
-0.433
10 periods · Return correlation when both series rose
Both Falling
-0.250
12 periods · Return correlation when both series fell
Diverging
-0.554
13 periods · Return correlation when series moved apart
R-Squared
20.6%
Share of variance in one series explained by the other.
Trend Agreement
64.9%
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: [-0.499, -0.406]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,113 paired data points survived the daily window.
Raw input
1,113
1,254
Normalized
1,113
1,254
Prepared
1,113
1,254
Aligned
1,113
1,113
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
141
A: 0 / B: 141
Series A
GlobalFoundries Inc. Ordinary Shares
GFS
Market cap 23.9B · 14,000 employees
Stock · 1,113 raw → 1,113 prepared
Series B
Tesla, Inc. Common Stock
TSLA
Market cap 1.3T
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
24
Estimated crossover points between normalized spreads.
Slope
-3.8381
Linear regression slope.
Intercept
471.9734
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
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
TSLA
Tesla, Inc. Common Stock
Highest
+0.870
Reddit, Inc.
RDDT · 512 data points
Lowest
-0.817
Elevance Health, Inc.
ELV · 947 data points
Saved 7 hours ago · ID: stock-gfs-vs-stock-tsla-daily