Yes, to try. Every new trader gets 10,000 candles of replay, roughly two hours, with all 38 markets, every tool and prop firm mode open and no card. The sample does not reset; after it, CRTLAB Pro is $14.99 a month for unlimited replay, cancel any time.

What happens when I run out of candles?

The chart stops advancing and everything else stays exactly as you left it — your session, your drawings, your journal. The free sample is one-time and does not reset; unlimited replay is $14.99 a month and you carry on from the same candle straight away. There is no separate "pro" version of the product with more markets or tools behind it.

How is this different from paper trading?

Paper trading runs at the speed of the market, so a year of practice takes a year. Replay runs at the speed of your mouse. You can put a hundred trades through a setup in an evening instead of waiting a hundred sessions for them to appear — and you can do it on 2018 as easily as on this morning.

Can I test a strategy I did not code?

That is the point. This is manual, discretionary backtesting: you read the chart, you place the entry, stop and target yourself, and the journal records what happened. If your edge lives in how you read structure rather than in a set of rules a machine could follow, an automated backtester cannot test it and this can.

What markets can I practise on?

All 38 of them, from the first click: the forex majors, the index futures (NAS100, US30, SP500, GER40), gold, silver and WTI crude, seven crypto pairs, and 17 US stocks and ETFs including NVDA, TSLA, AAPL and QQQ. Same replay engine, same history depth, no list of pairs you have to pay to reach.

Do I need to download anything?

No. It runs in the browser. There is a desktop build if you prefer a dedicated window, but it is the same product and nothing needs installing to start.

Backtesting software and market replay, with a free sample

CRTLAB is a bar-by-bar market replay for traders who test by hand. You pick a market and a date, the chart rewinds to it, and you step forward one candle at a time with the right-hand side of the screen genuinely hidden. You place the entry, the stop and the target as you go, and the journal keeps the record. No download, and every part of the tool is in the free sample.

It exists because the usual answer — code your rules, run an equity curve — only works if your edge is a set of rules. Most discretionary traders' edge is not. It lives in how they read structure, and the only way to test that is to sit in front of the chart with the future covered up and do it a few hundred times.

What the free sample opens

All 38 markets — the forex majors, the index futures, gold, silver, oil, seven crypto pairs and 17 US stocks and ETFs — on every timeframe from one minute to one month, across the full history we hold on each. Every drawing tool, every indicator, every ICT overlay, the performance report and prop firm mode come with it. There is no reduced version of the product: the chart a paying customer opens is the chart you open.

What is metered is candles stepped. You get 10,000 of them free, once, which is roughly two hours of real replay, and the counter ticks only while you are actually advancing a chart — reading, drawing, scrolling and journalling cost nothing.

A free sample, then $14.99 a month

CRTLAB is free to try. Your first 10,000 candles of replay are free, roughly two hours with every market, every timeframe and every tool, so you know exactly what you are buying. The sample does not reset. After it, unlimited replay is $14.99 a month and you can cancel any time.

That is the whole price list: a one-time free sample of 10,000 candles, then $14.99 a month for unlimited replay. The monthly plan renews until you cancel, and you can cancel any time from your account.

Why replay beats waiting for the market

A setup that appears twice a week takes most of a year to produce a sample worth trusting. In replay it takes an evening. That compression is the entire argument: not that screen time stops mattering, but that you can stop paying for it in calendar months and in the money you lose finding out that a setup you liked does not survive fifty attempts.

It is also the only honest way to find out how you behave. An equity curve cannot tell you that you move your stop when a candle goes against you. Replay can, because you are the one moving it.

Open a chart on the thing you came here for

Every link below opens a live chart that is already what it says — the market loaded, the timeframe set, the overlay switched on — in a single click, with no account. That is the same session a paying customer uses, on the same history, with the same tools. The only thing you spend is candles.

Common questions

Is CRTLAB free?: Yes, to try. Every new trader gets 10,000 candles of replay, roughly two hours, with all 38 markets, every tool and prop firm mode open and no card. The sample does not reset; after it, CRTLAB Pro is $14.99 a month for unlimited replay, cancel any time.
Is there a subscription?: Only if you want unlimited replay. CRTLAB is free to try. Your first 10,000 candles of replay are free, roughly two hours with every market, every timeframe and every tool, so you know exactly what you are buying. The sample does not reset. After it, unlimited replay is $14.99 a month and you can cancel any time.
What happens when I run out of candles?: The chart stops advancing and everything else stays exactly as you left it — your session, your drawings, your journal. The free sample is one-time and does not reset; unlimited replay is $14.99 a month and you carry on from the same candle straight away. There is no separate "pro" version of the product with more markets or tools behind it.
How is this different from paper trading?: Paper trading runs at the speed of the market, so a year of practice takes a year. Replay runs at the speed of your mouse. You can put a hundred trades through a setup in an evening instead of waiting a hundred sessions for them to appear — and you can do it on 2018 as easily as on this morning.
Can I test a strategy I did not code?: That is the point. This is manual, discretionary backtesting: you read the chart, you place the entry, stop and target yourself, and the journal records what happened. If your edge lives in how you read structure rather than in a set of rules a machine could follow, an automated backtester cannot test it and this can.
What markets can I practise on?: All 38 of them, from the first click: the forex majors, the index futures (NAS100, US30, SP500, GER40), gold, silver and WTI crude, seven crypto pairs, and 17 US stocks and ETFs including NVDA, TSLA, AAPL and QQQ. Same replay engine, same history depth, no list of pairs you have to pay to reach.
Do I need to download anything?: No. It runs in the browser. There is a desktop build if you prefer a dedicated window, but it is the same product and nothing needs installing to start.