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Correlation Analysis

Nvidia Corp vs Comcast Corp

NVDA vs CMCSA

-0.619

Moderate inverse

When one moves up, the other tends to move down.

NVDA logo

Nvidia Corp

NVDA

Nvidia is a leading developer of graphics processing units. Traditionally, GPUs were used to enhance the experience on computing platforms, most notably in gaming applications on PCs. GPU use cases have since emerged as important semiconductors used in artificial intelligence to run large language models. Nvidia not only offers AI GPUs, but also a software platform, Cuda, used for AI model development and training. Nvidia is also expanding its data center networking solutions, helping to tie GPUs together to handle complex workloads.

Market cap 4.3T

CMCSA logo

Comcast Corp

CMCSA

Comcast is made up of three parts. The core cable business owns networks capable of providing television, internet access, and phone services to 65 million US homes and businesses, or nearly half of the country. The firm provides services to about 47% of the locations in this territory. Comcast acquired NBCUniversal from General Electric in 2011. Following the spinoff of several cable networks, including CNBC, MSNBC, and USA, NBCU now consists of the NBC network, several local NBC affiliates, Bravo, the Peacock streaming platform, Universal Studios, and several theme parks. Finally, Sky, acquired in 2018, is a large television provider in the UK and Italy.

Market cap 99.5B · 179,000 employees

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

Time Series

Rebased to 100

Green: NVDAGray: CMCSA36 of 1,254 points (sampled)

Who Moves First

in sync

NVDA and CMCSA tend to move at the same time.

Best correlation after shifting: -0.619 (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

-0.323

14 periods · Return correlation when both series rose

Both Falling

-0.365

10 periods · Return correlation when both series fell

Diverging

-0.530

11 periods · Return correlation when series moved apart

R-Squared

38.3%

Share of variance in one series explained by the other.

Trend Agreement

55.9%

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: [-0.652, -0.584]

Scatter

XY Regression

-1.705010015020021824.76253035404550556061.86Nvidia CorpComcast CorpData pointsFit (r = -0.619)

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

NVDA logo

Nvidia Corp

NVDA

Market cap 4.3T

Stock · 1,254 raw → 1,254 prepared

Series B

CMCSA logo

Comcast Corp

CMCSA

Market cap 99.5B · 179,000 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

1

Estimated crossover points between normalized spreads.

Slope

-0.0807

Linear regression slope.

Intercept

47.0126

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 3 hours ago · ID: stock-nvda-vs-stock-cmcsa-daily-20260408-jkoaw3