Monkey with a Dart

Content rating
Everyone
5+
Downloads
Content rating
Everyone
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About this game

"A blindfolded monkey throwing darts at the stock pages could select a portfolio that would do just as well as one carefully selected by experts."
Inspired by Burton Malkiel’s famous theory in "A Random Walk Down Wall Street," Monkey with a Dart is a stock market simulator that settles the ultimate debate: Can professional strategy actually beat random chance?
In this interactive financial experiment, you don't just compete against a monkey—you compete against the market itself. Build your virtual portfolio from S&P 500 stocks and see if you can outperform both a randomly-picking primate and the most famous index in the world.
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THE THREE-WAY BATTLE
• YOU: Build a custom portfolio from the S&P 500 and set your own allocations. 📈
• THE MONKEY: Our "trader" builds a random portfolio, mirroring your exact number of stocks and weightings for a fair fight. 🐒
• THE BENCHMARK: Track your performance directly against the S&P 500 Index to see if you’re actually adding value. 📊
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HOW IT WORKS
• Start with a fictional $100,000 stake.
• Real-time tracking: Every position is updated with live market prices.
• Live Leaderboard: A constant side-by-side comparison of You vs. Monkey vs. S&P 500.
• Performance Analysis: Deep-dive charts across multiple timeframes to spot where you—or the monkey—gained the edge.
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APP FEATURES
• Manage up to 3 separate portfolios to test different investment strategies.
• Full position history: Every "buy" and "sell" is recorded for total transparency.
• Backtesting: Backdate any selection of stocks to see how you would have fared in past market conditions.
• Milestone Alerts: Get notified when your portfolio hits new value goals.
• Clean, professional interface with full Dark Mode support.
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TEST YOUR STRATEGY
Whether you’re following a "Guru’s" advice, riding momentum, or trusting your gut, put your picks to the ultimate test. History has a way of humbling even the most confident investor.
Don't let the market drive you bananas. Are you smarter than a monkey? Start your portfolio and find out.
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IMPORTANT DISCLAIMER
Monkey with a Dart is a stock market simulator designed for educational and entertainment purposes only. No real money is used, and no actual trades are executed on any financial exchange. This app does not provide financial advice, brokerage services, or investment recommendations. All stock data is for simulation purposes only.
Updated on
May 21, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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What’s new

Bug fixes and performance improvements, including enhanced stock search — you can now search for ETFs and non-S&P 500 stocks such as SPY, QQQ, BITO and IWM directly from the portfolio builder.