CustomStocks: Stock Simulator

Learn to invest in the stock market without risking a dollar.

CustomStocks is a paper trading simulator that lets you practice buying and selling real stocks with virtual cash. Track 50 of the most popular stocks and ETFs with live market data, build multiple portfolios to test different strategies, and sharpen your skills with built-in educational content, all without creating an account.

TRADE WITH REAL MARKET DATA
Buy and sell shares of Apple, Tesla, NVIDIA, Amazon, and 46 more of the most-traded stocks and ETFs. Prices update throughout the trading day so your simulated trades reflect real market conditions. Enter trades by dollar amount or share quantity. You choose.

BUILD & COMPARE STRATEGIES
Create multiple portfolios with custom starting balances from $100 to $10M. Run a growth portfolio alongside a dividend play or an ETF-only approach, then compare them head-to-head with overlay performance charts, leaderboard rankings, and detailed analytics.

MARKETS AT A GLANCE
Browse stocks by sector: Technology, Finance, Healthcare, Consumer, Energy, Industrial, and ETFs. See today's top gainers, biggest losers, and trending movers. Search by name or ticker, sort by price or change, and add favorites to your watchlist.

INTERACTIVE PRICE CHARTS
View price history from 5 days to all-time with smooth, interactive charts. Intraday candles give you a closer look at short-term movement. Charts load instantly from cache and refresh in the background.

DEEP STOCK DETAIL
Every stock comes with fundamentals: P/E ratio, EPS, dividend yield, 52-week range, market cap, and more. See an About section with company description, industry, and exchange. If you hold a position, your cost basis, P&L, and allocation are right there.

LEARN AS YOU GO
A full learning section with articles on investing basics, portfolio strategy, risk management, and market mechanics. Track your reading progress across topics. Look up any term in the 36-entry stock market glossary. Get quick answers from the searchable FAQ.

FULL TRANSACTION HISTORY
Every trade is logged with date, price, quantity, and total. Filter and review your history to see what worked and what did not.

PRIVATE BY DESIGN
No account required. No login. No cloud sync. Your portfolios, trades, and settings stay on your device. Period.

DARK & LIGHT THEMES
Switch between dark and light mode to match your preference.

Sectors covered: Technology, Finance, Healthcare, Consumer, Energy, Industrial, ETFs, and Growth stocks including AAPL, MSFT, GOOGL, AMZN, META, NVDA, TSLA, JPM, SPY, QQQ, and 40 more.

CustomStocks is an educational simulator. It does not provide financial advice. Past performance does not guarantee future results.