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Master the stock market with paper trading, AI tutoring, and professional-grade backtesting. Go from complete beginner to confident trader — without losing a cent of real money.
Most trading sims teach you to click. Ours teaches you to think — with a Claude-powered tutor narrating, critiquing, and grading at every step.
Bar-by-bar historical playback with a tape-reader narrating each candle.
Pick any ticker, any window. Reveal one bar at a time. Click "Narrate" and a master tape-reader explains the candle, the volume, and asks the Socratic question that puts you on the spot.
Sunday-night behavioral report on your last 30 days of trades.
Logs your P&L by emotion, ticker concentration, and self-rating dishonesty. Grades your week and prescribes 3 testable rules for next week. The report you'd wish a senior trader wrote you.
A senior trader reading your equity curve over your shoulder.
Run a backtest, get a one-click critique. Connects strategy mechanics to the metrics, finds drawdown clusters, and proposes parametric A/B tweaks you can re-test in seconds.
Professional-grade tools designed for beginners. Start with the basics; level up at your own pace.
Trade with $10,000 virtual cash on real-time prices. Practice buying, selling, sizing — without risking a cent.
Test 7 strategies across 20+ years of OHLCV. See Sharpe, max drawdown, equity curves, and the full trade log.
Ask anything. Get clear explanations, chart reads, and strategy critiques tuned to a beginner's vocabulary.
RSI, MACD, Bollinger Bands, ATR, OBV, and ML-powered signal scoring. Read the tape like a pro.
Test your knowledge with daily quizzes. Climb the global leaderboard against thousands of beginners.
Free feed; cashtag-tagged posts get a Claude bull/bear take to sharpen the discourse. Copy Trader (Pro) mirrors the traders you trust.
Instructors run cohorts; students join free with a code.
Composer-style entry/exit rules with an AI critique on save.
Natural-language → strict JSON filter applied to the universe.
Long calls + puts with Black-Scholes pricing and AI explainers.
Sign up free in 30 seconds. No credit card. We'll create your $10k paper portfolio on the spot.
Complete the beginner tutorial, then place your first paper trade. Tag every trade with emotion + rating.
Test your strategy on history. Get an AI critique. Iterate. Repeat until your equity curve smiles.
Thousands of new traders have leveled up here without losing real money.
“I lost money my first year trading real stocks before finding TradeSim. Six months of paper trading here taught me more than I learned in a year of losing real money.”
“The AI tutor explained options concepts I'd been struggling with for months. I asked the same question five different ways until I finally understood. Incredibly patient.”
“Ran 40+ backtests before finding a strategy with a win rate above 55%. That process taught me more about risk management than any book.”
Everything you need to know before signing up.