What Is a Stock Simulation Game?
A stock simulation game — sometimes called a stock market game or trading simulator — lets you buy and sell stocks with fake money instead of real cash. You get a virtual balance, trade fictional or real-world tickers, and watch a portfolio rise and fall exactly like it would in a real brokerage account, minus the risk.
That makes them a genuinely fun way to learn the ropes: go all-in on a bad idea, panic-sell at the worst possible moment, or hold through a crash, and the only thing you lose is time. Whether you're a complete beginner, a student in a personal finance class, or just want to test a theory before risking real money, this guide compares the best free options for 2026 — including a few built specifically for high school and middle school classrooms.
The Best Stock Market Games in 2026
Here's how four of the most popular stock market games compare, from a browser-based shared virtual market to full classroom programs built on real market data.
| The Stock Market Game | HowTheMarketWorks | MarketWatch Virtual Stock Exchange | ||
|---|---|---|---|---|
| Tickers & price action | 200 fictional Japanese and US companies, moved by in-game news — plus a Real Stock Mode with real U.S. stocks | Real stocks, bonds, ETFs, mutual funds, and ESG funds | Real stocks and ETFs with real-time prices | Real stocks, ETFs, and mutual funds with real-time prices |
| Platforms | Browser, iOS, Android | Browser, via a registered teacher or school | Browser | Browser (desktop and mobile) |
| Price | Free (no in-app purchases; ad-supported) | Free, through a registered class | Free (ad-supported); ad-free plan available for schools | Free |
| What stands out | One shared market — other players' trades and news move prices | Curriculum-based; used by nearly 20 million students since 1977 | Teacher dashboards, trade notes, and 50+ lessons | Set up a custom contest in minutes |
| Best for | Jumping straight in — no sign-up or class needed | Official multi-week class competitions | Teachers who want detailed class management | Quick contests among friends with real stocks |
Information current as of October 2026 — please check each program's official site for the latest details and eligibility requirements. The Stock Market Game, HowTheMarketWorks, and MarketWatch Virtual Stock Exchange are independent, unaffiliated programs mentioned here for comparison.
A newer game (launched 2026) where every player trades in one shared virtual market. AI-generated news and other players' trades move prices, and fictional companies let you practice without holding back. It runs in your browser, and a Real Stock Mode with real U.S. stocks is built in.
A curriculum-based investing simulation from the SIFMA Foundation, used by nearly 20 million students in grades 4-12 since 1977. Classes manage a hypothetical $100,000 portfolio of real stocks, bonds, and funds, competing individually or in teams, with lesson plans and teacher resources built in. Access typically runs through a registered teacher or school.
A free stock market game built specifically for classrooms, with real-time data on real stocks and ETFs. Teachers get admin tools like trade-note requirements and progress reporting, plus a library of 50+ lessons, while anyone can also join public contests without a class.
A free trading simulator from MarketWatch that uses real, live stock and ETF prices. Anyone can create a public or private game and invite others to compete, which has made it a long-running favorite for classroom contests and casual competitions between friends.
Free Stock Games You Can Play Online — No Sign-Up
Most stock market games ask you to create an account, join a class, or download an app before you can place a single trade. If you just want to try one right now, Moshimo StockSim runs in any web browser: you can browse the live market, charts, and news without an account, then start trading as a guest in one tap — no email address needed.
Live prices from the shared market right now. Tap any stock to see its chart and news — no account needed.
Play free in your browser- ●Nothing to download or install — it runs in Chrome, Safari, Edge, and Firefox, on a computer, tablet, or phone
- ●Works on Chromebooks too (whether a site is reachable at school depends on your school's network settings)
- ●Start as a guest with ¥1,000,000 (about $6,700) in virtual funds; link a Google or Apple account later to keep your progress across devices
- ●Prices move every 30 minutes: the US market trades 8 AM–11 PM US Eastern time, and the Japan market 8 AM–11 PM Japan time
Because everyone shares one market, there's always something happening — breaking news, other players piling into a stock, and daily rankings to climb.
Teaching a Class?
If you're a teacher comparing options like The Stock Market Game, HowTheMarketWorks, or MarketWatch Virtual Stock Exchange for a class-wide competition, we cover that separately: our School Mode guide compares all four side by side for classroom use and walks through setting up a free private room in under a minute, with no district registration required.
Free classroom tools in two flavors. Class: students keep playing the live market, with a ranking just for your class. Time Machine: the teacher rewinds, pauses, and advances a private market for the whole class and can see every student's portfolio. Either way, students join with a code in seconds.
What Makes Moshimo StockSim Different
Moshimo StockSim is a stock trading simulation where every player shares the same virtual market. It's not a solo experience — other players' trades and dynamically generated news move the market, giving you the tension of a real trading floor.

- ●200 fictional companies listed across Japan and the US
- ●A 'story arc' system that ties news events to price movement
- ●Sectors spanning AI/semiconductors, finance, EVs, food & retail
- ●A Real Stock Mode with real U.S. companies' prices and news
It's a game, not a real brokerage — no real money is ever involved, including in Real Stock Mode. It's free with no in-app purchases.
FAQ
Yes, it's completely free with no in-app purchases. Everything is played with virtual funds.
No. It's a game, not a real brokerage, so there's no deposit or account opening required.
It combines a fictional shared market — where every player's trades and generated news move prices — with a free Real Stock Mode for trading real U.S. companies. That's a different kind of realism than apps that only mirror real-world price data one-to-one.
You can start right away in your browser, free. iOS and Android apps are also available if you'd rather play on your phone.
Yes. You can browse the live market, charts, and news without an account, and start trading as a guest in one tap — no email needed. You can link a Google or Apple account later if you want to keep your progress.
Prices update every 30 minutes. The US market trades 8 AM–11 PM US Eastern time and the Japan market 8 AM–11 PM Japan time, so there's almost always a market open.
Who Should Try It
- ●Beginners who just want to get a feel for how markets work
- ●Learners who want to test book knowledge in practice
- ●Anyone who's been putting off investing because it feels intimidating
A zero-risk environment is a low-pressure way to get comfortable with market movement first, then decide later whether opening a real brokerage account makes sense for you.
Why Practicing in a Game Helps
Zero risk to experiment with
The biggest benefit is zero risk. Since no real money is on the line, mistakes cost nothing financially. Buying at the wrong time, panic-selling on a dip — every misstep becomes a lesson you can carry forward instead of a real loss.
Realistic price action
Well-made simulations also model price movement realistically, reacting to news, earnings, and overall market mood. That intuition for how a stock responds to a headline is hard to get from a textbook alone.
Terminology that sticks
Terms like PER, PBR, market orders, and limit orders also stick better when you encounter them while actually using the app, rather than memorizing a glossary in isolation.

