"The market dropped unexpectedly, but my thesis and risk management were solid."
Every investment is a bet. When you buy a stock or a piece of real estate, you are betting that its future value will outpace other options. Document your reasoning at the time of purchase . If the investment drops, look back at your notes to see if your logic was flawed, or if you simply hit a streak of bad luck. Relationships
To illustrate this, Duke famously points to a play from Super Bowl XLIX. With the Seattle Seahawks trailing by four points at the one-yard line in the final seconds of the game, coach Pete Carroll made the controversial call to pass the ball instead of handing it off to star running back Marshawn Lynch. The pass was intercepted, and the Seahawks lost. The next day, critics called it the worst play in Super Bowl history.
You never know exactly what cards your competitors, market forces, or peers are holding.
One of the most dangerous cognitive traps Duke identifies is —the tendency to equate the quality of a decision with the quality of its outcome.
: A great decision can lead to a terrible outcome because of bad luck.
In a world defined by uncertainty, we often fall into the trap of believing that good decisions always lead to good outcomes, and bad decisions lead to bad ones. Annie Duke, a former professional poker player and cognitive science expert, challenges this assumption in her acclaimed book,
Many professionals, students, and entrepreneurs search online for a to get quick access to these frameworks. While short summaries and digital cheat sheets are excellent for reviewing the core concepts, reading the full text provides deep case studies, psychological research, and poker anecdotes that make the habits stick.