To understand finance, search algorithms and even evolution you need to understand Random To understand finance, search algorithms and even evolution you need to understand Random Walks.

Why is it that when you walk randomly, the more you walk, the farther you get from your starting point? The Quanta Newsletter ...

For a random walk with drift, the best forecast of tomorrow's price is today's price plus a drift term. One could think of the drift as measuring a trend in the price (perhaps reflecting long-term ...