What is One Candle Ahead?

One Candle Ahead is a free trading simulator that lets you practice stock and cryptocurrency trading using real historical market data, one candle at a time. You predict the next move, learn candlestick patterns, and build technical analysis skills without risking real money.

Is One Candle Ahead really free?

Yes. Core gameplay — stock and crypto simulations, leaderboard, candlestick charts — is 100% free. The iOS and Android apps include optional in-app purchases for cosmetic items, but nothing is paywalled.

How do you learn candlestick patterns here?

Every game reveals one candle at a time from a real historical chart. You decide whether to buy, hold, or sell. Over dozens of rounds you internalize the shape of reversals (hammer, engulfing), continuations (marubozu), and indecision (doji) in context — not just from a static chart picture.

What market data does the simulator use?

Real historical OHLCV (open/high/low/close/volume) data for major U.S. stocks (AAPL, MSFT, GOOGL, TSLA, etc.) and top cryptocurrencies (BTC, ETH, SOL). Chart windows are randomized so you can't simply memorize outcomes.

Does One Candle Ahead work on mobile?

Yes. The web app is fully responsive, and native apps are available for iOS (App Store) and Android (Google Play). The mobile apps add 14 achievements, daily challenges, PvP duels, referral rewards, and a seasonal leaderboard.

Will this make me profitable in real trading?

No simulator can guarantee real-market profits. One Candle Ahead trains pattern recognition and disciplined decision-making — two foundations of good trading — but real money involves slippage, fees, news, and emotion. Use it as practice, not a crystal ball.

Do I need an account to play?

No. You can start as a guest. Signing in with Google or Apple saves your balance, leaderboard rank, and achievements across devices.

Free paper trading simulator

Practice decisions before you risk real money.

A paper trading simulator lets you rehearse entries, exits, and risk rules with virtual money. One Candle Ahead turns that into a deliberate drill: study a historical chart, commit to a decision, reveal one new candle, and review whether the reasoning still holds. No brokerage account or deposit is required.

Start free paper trading · Read the practice guide

A four-step paper-trading routine

Choose one setup and one market before the session.
Write the reason, invalidation point, and planned risk.
Commit before revealing the next historical candle.
Review the decision quality separately from the result.

Why prediction comes before feedback

Most simulators show a full chart and let hindsight do the work. One Candle Ahead hides future candles. You must describe what is visible now, choose an action, and only then see what happened next. That sequence trains observation and commitment instead of retrospective storytelling.

What virtual trading can teach

A structured simulator can teach order of operations: read trend, mark levels, define invalidation, size risk, act, and review. Repeating the same process across many unrelated historical windows makes weak habits visible, especially impulsive entries and rules that change after the outcome.

What simulation cannot reproduce

Virtual trading cannot fully reproduce spread, slippage, partial fills, taxes, liquidity shocks, or the emotional effect of losing money. Treat simulator results as practice evidence, not expected returns. The transferable skill is a repeatable decision process, not a high virtual balance.

Who this page is for

Use this simulator if you know basic chart terms but need repetitions, if you are testing a written checklist, or if you want to compare decisions across stocks and crypto. It is not a source of trade signals and does not place real orders.

Paper trading and live trading are different tools

Factor	Paper trading	Live trading
Capital	Virtual balance	Real capital at risk
Execution	Simplified fills	Spread, slippage, and liquidity
Main goal	Practice a process	Manage an actual position

Build the routine

Sources and limitations

Educational simulation only; no real-market return or investment outcome is guaranteed.

Paper trading simulator FAQ

Is the simulator free?

Yes. Core stock and crypto chart practice is free on the web, and you can begin without a brokerage account.

Does paper-trading performance predict live results?

No. Historical simulation omits important execution costs and cannot reproduce the psychology of real losses.