Practice and test a strategy, then trade it live. All in one place.

Replay past sessions, journal and backtest your strategies, and when one is ready, run it on paper or live.

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Market Replay · AAPL 5m · Sep 25, 2026 · 1x

AAPL · Sep 255m · 1x

10:15Your call: buy, sell or wait.

Buy 100Stop 334.50 · Target 337.50

+$208.00Target hit at 10:45

Example: AAPL, Sep 25, replayed.

Your journal23 trades

+$774.98META long. Entry and exit on the chart.Example: META, Sep 29, replayed.

+$995.22NVDA long, 2.45R. See exactly what happened.Example: NVDA, Sep 2, replayed.

SMA Crossover · SPY80 variations

Testing80 variations, Jan to Oct

Failedon the data it was not tuned on

67%Overfitting risk. Likely curve-fitted.

First bar breakout · AMZN5m

+$1,444.00Backtest, 31 trades

DeployPaper first. No money at risk.

RunningOn paper, from its own backtest.

Example: AMZN, Jul 1 to Oct 9, backtested, then deployed to paper.

Practice

Practice on past days without risking a dollar.

Trade a full session in minutes and find out if your setup holds up before you trade it for real.

See market replay

Market Replay · AAPL 5m · Sep 25, 2026

Example: AAPL, Sep 25, replayed.

Journal

See what's working, and replay any trade.

Import your trades and see exactly where you make and lose money.

See the journal

Journal · META · Sep 29, 2026

Example: META, Sep 29, replayed.

Test

Test a strategy before you trade it.

Know whether a strategy has a real edge or just got lucky, before it costs you money.

See backtesting

Code Editor · SMA Crossover · NVDA 15m

Example: NVDA, Sep 3 to Oct 2, backtested.

Live

Take it live in one click.

Run it free on paper against the live market for as long as you like. Ready for real money? Connect your broker and it trades live, with risk controls built in.

See algo trading

Deploy · First bar breakout · AMZN 5m

Example: AMZN, Jul 1 to Oct 9, backtested, then deployed to paper.

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Questions

Is it really free?

Yes. The free plan costs nothing, needs no card and has no time limit.

What can I trade?

US stocks and ETFs, 11,511 tickers. Every replay trade uses paper money.

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Trade yesterday's market tonight.

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