What is a speculative bubble? How has irrational optimism caused some of the biggest stock market crashes in history? A speculative bubble is a sudden rise in stock price fuelled by public speculation and unfounded optimism. From the tulipmania of 17th Century Holland to the more recent “dot-com” crash, speculative bubbles have led to some of history’s biggest financial disasters. When it comes to speculative bubbles, some get lucky but most are left holding the bag. Learn about speculative bubbles below.
Speculative Bubbles: Why They Inevitably Burst










