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Correlation Analysis

Tesla, Inc. Common Stock vs Ciena Corporation

TSLA vs CIEN

+0.651

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

CIEN logo

Ciena Corporation

CIEN

Ciena is a telecommunications equipment provider focused on optical transport technologies, with clients in a number of industries such as communication services providers, web-scale providers, cable operators, government, and large enterprises worldwide. The company provides equipment, software, and services that support transport, switching, aggregation, service delivery, and data traffic management.

Market cap 61.4B · 9,080 employees

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

Time Series

Rebased to 100

Green: TSLAGray: CIEN36 of 1,254 points (sampled)

Who Moves First

TSLA leads CIEN by 6 days

TSLA tends to move before CIEN.

Best correlation after shifting: +0.666 (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

+0.105

13 periods · Return correlation when both series rose

Both Falling

+0.616

6 periods · Return correlation when both series fell

Diverging

-0.413

16 periods · Return correlation when series moved apart

R-Squared

42.4%

Share of variance in one series explained by the other.

Trend Agreement

61.5%

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: [0.618, 0.682]

Scatter

XY Regression

1102003004005005099100200300400480Tesla, Inc. Common StockCiena CorporationData pointsFit (r = 0.651)

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

CIEN logo

Ciena Corporation

CIEN

Market cap 61.4B · 9,080 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

64

Estimated crossover points between normalized spreads.

Slope

0.5210

Linear regression slope.

Intercept

-64.4768

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

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