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Correlation Analysis

Tesla, Inc. Common Stock vs Delta Air Lines, Inc.

TSLA vs DAL

+0.672

Strong positive

When one moves up, the other tends to follow.

TSLA logo

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

DAL logo

Delta Air Lines, Inc.

DAL

Atlanta-based Delta Air Lines is one of the world's largest airlines, with a network of over 300 destinations in more than 50 countries. Delta operates a hub-and-spoke network, where it gathers and distributes passengers across the globe through its biggest hubs in Atlanta, New York, Salt Lake City, Detroit, Seattle, and Minneapolis-St. Paul. Delta has historically earned most of its international revenue and profits from flying passengers over the Atlantic Ocean.

Market cap 43.6B · 103,000 employees

Apr 9, 2021 — Apr 7, 2026Daily1,254 observationsStockStockConsumer

Time Series

Rebased to 100

Green: TSLAGray: DAL36 of 1,254 points (sampled)

Who Moves First

in sync

TSLA and DAL tend to move at the same time.

Best correlation after shifting: +0.672 (13 shifts scanned)

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

-0.213

11 periods · Return correlation when both series rose

Both Falling

+0.560

10 periods · Return correlation when both series fell

Diverging

-0.620

14 periods · Return correlation when series moved apart

R-Squared

45.2%

Share of variance in one series explained by the other.

Trend Agreement

62.2%

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: [0.641, 0.702]

Scatter

XY Regression

11020030040050050928304050607074.2Tesla, Inc. Common StockDelta Air Lines, Inc.Data pointsFit (r = 0.672)

Pipeline

Data quality details

Pipeline Summary

1,254 paired observations 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

TSLA logo

Tesla, Inc. Common Stock

TSLA

Market cap 1.3T

Stock · 1,254 raw → 1,254 prepared

Series B

DAL logo

Delta Air Lines, Inc.

DAL

Market cap 43.6B · 103,000 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

29

Estimated crossover points between normalized spreads.

Slope

0.0875

Linear regression slope.

Intercept

21.4852

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 3 hours ago · ID: stock-tsla-vs-stock-dal-daily-20260408-iwqwn4