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Mark Cuban

Lean LeftLean Left biasWhat does this mean?

How we determined this rating:

  • Editorial Review: Apr 2025
  • AllSides has low or initial confidence in this bias rating.

Unless otherwise noted, this bias rating refers only to online news coverage, not TV, print, or radio content.

Learn about our bias rating methods
Contents
  1. About Mark Cuban's Bias Rating
  2. What a "Lean Left" Rating Means
  3. Bias Reviews
  4. Confidence Level

About Mark Cuban's Bias Rating

Mark Cuban is a influencer source with an AllSides Media Bias Rating™ of Lean Left.

What a "Lean Left" Rating Means

Sources with an AllSides Media Bias Rating of Lean Left display media bias in ways that moderately align with liberal, progressive, or left-wing thought and/or policy agendas. A Lean Left bias is a moderately liberal rating on the political spectrum.

Learn more about Lean Left ratings

Bias Reviews

We use multiple methods to analyze sources. Learn how we rate media bias.

Mark Cuban Rated Lean Left in April 2025 Small Group Editorial Review

A group of three AllSides reviewers on the left, center, and right rated Mark Cuban as Lean Left in an April 2025 Small Group Editorial Review.

Cuban has endorsed Democrats, including joining Vice President Kamala Harris on the campaign trail in 2024. He founded Cost Plus Drugs to challenge pharmaceutical pricing and level the playing field for consumers. However, he holds fiscally conservative views and has recently expressed support for some of President Trump’s policies, including a healthcare executive order.

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Confidence Level

Confidence is determined by how many reviews have been applied and consistency of data.

As of June 2026, AllSides has low or initial confidence in our Lean Left rating for Mark Cuban. If we perform more bias reviews and gather consistent data, this confidence level will increase.