
Market Price Simulator
Play with supply and demand. Watch prices move.
What it does
Market Price Simulator is a free, browser-based market simulation that lets you experiment with how prices actually form, how supply and demand, order volume, and different market participants affect price movement. You can create multiple traders, place buy and sell orders at specific prices, and instantly see how trades execute, how the order book changes, and how prices evolve over time. There’s no registration, no paywall. It’s designed for curiosity, learning, and experimentation
Does a similar job
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I built this simulator to study how simple trading agents interacting with an order book can create emergent patterns—volatility, clustering, even chaos—without any external shocks. It’s meant as both a research toy and teaching tool. You can run different strategies, adjust configs, and watch dynamics evolve. Curious to hear feedback from the HN crowd on features/dynamics you’d like to see added.

- EVEarly version of trading simulator game. Would love your feedback2021 · ▲10
We're two software geeks trying to build our own trading simulator app for beginners which could teach some basics of technical analysis and won't be too boring. You can join the early test program here if interested: https://threeinvesteers.com/ Do you think this is a decent idea? So far we've solved the main technical challenges and built a solid backend solution for real-time prices, and also got the first feedback regarding the concept from some early users. We've polished the idea slightly using the feedback but still have some open questions. Would be great to hear your…
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