A massive physics simulation has 'proven' that the most successful way to survive the stock market is to follow the trend like water.
April 1, 2026
Original Paper
Be Water: An Evolutionary Proof for Trend-Following
arXiv · 2603.29593
The Takeaway
By treating 10,000 traders like particles in a physical system, researchers found that 'buying the dip' is an evolutionarily fragile strategy that eventually fails. They argue that financial markets follow the same survival laws as the natural world, where success comes from alignment with the current rather than rigid opposition.
From the abstract
The proliferation of diverse, high-leverage trading instruments in modern financial markets presents a complex, "noisy" environment, leading to a critical question: which trading strategies are evolutionarily viable? To investigate this, we construct a large-scale agent-based model, "MAS-Utopia," comprising 10,000 agents with five distinct archetypes. This society is immersed in five years of high-frequency data under a counterfactual baseline: zero transaction friction and a robust Unconditiona