Simple trading bots create bubbles, crashes, and panics. Watch a market melt down.
Mix the traders yourself and watch the price boom or break.
Can you trigger a crash on purpose? Eight puzzles, three tiers.
Ask a what-if, run the test, and see the numbers.
A live agent-based financial market. Hundreds of traders submit orders into a continuous limit order book, and price emerges from the matching of their bids and asks. No price is scripted: it is the product of every order interacting tick by tick.
Three strategies compete. Fundamentalists buy when price drifts below fair value and sell when it climbs above. Chartists chase the recent trend, amplifying moves. Noise traders act at random. The shifting balance between them produces calm stretches, speculative bubbles, fat-tailed returns, and sudden crashes.
market is one of the petri-labs collection of interactive simulations of complex systems. Explore the others at petri-labs.org.