{"slug": "louis-bachelier-the-mathematical-expectation-of-the-speculator-is-zero", "quote": "The mathematical expectation of the speculator is zero.", "attribution": "Louis Bachelier", "attribution_role": "Mathematician and pioneer of mathematical finance", "theme": "Speculation, expected value, market efficiency", "published_at": "2026-07-02T06:06:31.839097+00:00", "image": "https://sharemaestro.com/market-wisdom/images/louis-bachelier-the-mathematical-expectation-of-the-speculator-is-zero/", "download": "https://sharemaestro.com/market-wisdom/download/louis-bachelier-the-mathematical-expectation-of-the-speculator-is-zero/", "url": "https://sharemaestro.com/market-wisdom/louis-bachelier-the-mathematical-expectation-of-the-speculator-is-zero/"}