# The math on Robinhood's 75M OpenAI bet: it's not that big - slug: the-math-on-robinhoods-75m-openai-bet-its-not-that-big - date: 2026-04-22 - category: Artificial Intelligence At OpenAI's current valuation, 75M buys you a fraction of a percent — not the transformative stake the press release implies. The real story is who was selling when Robinhood bought. ---