Random walk theory proposes that stock prices move unpredictably, making it impossible to predict future movements based solely on past trends. This financial theory, first popularized by economist ...

In this article, the random-walk theory of stock-price behavior is tested empirically in relation to a number of decision rules based upon past stock-price movements. A random sample of thirty stocks ...

Tim Smith has 20+ years of experience in the financial services industry, both as a writer and as a trader. Gordon Scott has been an active investor and technical analyst or 20+ years. He is a ...

We show that the transience or recurrence of a random walk in certain random environments on an arbitrary infinite locally finite tree is determined by the branching number of the tree, which is a ...

We've gotten really good at generating big datasets. From what we search for on Google to all the stuff we do on Facebook, we generate a lot of data. And there have in turn been a proliferation of ...

SUTD has set out to apply concepts from quantum Parrondo's paradox in search of a working protocol for semiclassical encryption. Assistant Professor Kang Hao Cheong and his research team from the ...

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