This video breaks down the financial warning signs that have shown up before every major crash in history, including the 2008 financial crisis, the Dot Com Bubble, the Great Depression, Black Monday in 1987, and even the first recorded market crash during the 1630s Tulip Mania. Each of these moments may look different on the surface, but they all shared the same four ingredients: investor overconfidence, regulatory failures, speculative innovation, and unsustainable levels of debt.