CorrlensCorrlens
Correlate

Correlation Analysis

NiSource Inc. vs Tesla, Inc. Common Stock

NI vs TSLA

+0.704

Strong positive

When one moves up, the other tends to follow.

NI logo

NiSource Inc.

NI

NiSource is one of the nation's largest natural gas distribution companies with 3.2 million customers in Indiana, Kentucky, Maryland, Ohio, Pennsylvania, and Virginia. NiSource's electric utility transmits and distributes electricity in northern Indiana to about 500,000 customers. The regulated electric utility also owns more than 3,000 megawatts of generation capacity, including coal, natural gas, and renewable energy.

Market cap 22.6B · 7,738 employees

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

Apr 9, 2021 — Apr 7, 2026Daily1,254 data pointsStockStockConsumer

Time Series

Relative Performance

Green: NIGray: TSLA36 of 1,254 points (sampled)

Who Moves First

TSLA leads NI by 2 days

TSLA tends to move before NI.

After testing 13 timing shifts, the strongest relationship was +0.704 (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

-0.187

11 periods · Return correlation when both series rose

Both Falling

-0.187

5 periods · Return correlation when both series fell

Diverging

-0.781

19 periods · Return correlation when series moved apart

R-Squared

49.5%

Share of variance in one series explained by the other.

Trend Agreement

53.8%

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: [0.674, 0.730]

Scatter

XY Regression

22.77253035404549.49110200300400500509NiSource Inc.Tesla, Inc. Common StockData pointsFit (r = 0.704)

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

NI logo

NiSource Inc.

NI

Market cap 22.6B · 7,738 employees

Stock · 1,254 raw → 1,254 prepared

Series B

TSLA logo

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

35

Estimated crossover points between normalized spreads.

Slope

8.9911

Linear regression slope.

Intercept

-8.9657

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 6 hours ago · ID: stock-ni-vs-stock-tsla-daily