CRTLAB
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Now in open beta · No card required

Backtest your edge on real market history, bar by bar.

CRTLAB replays forex, indices, metals, and crypto candle-by-candle in your browser — so you can practice setups, build conviction, and prove your strategy before risking a cent. No downloads. No spreadsheets.

Start backtesting free →See it in action

Free forever on 1 pair · Upgrade any time

app.crtlab.com/session
EUR/USD15m
REPLAY
⏮▶ replay⏭
bar 38 / 56
Instruments
40+
Instruments
History depth
10yr
History depth
Timeframes
8
Timeframes
Bar step latency
<50ms
Bar step latency
EUR/USDGBP/USDUSD/JPYXAU/USDBTC/USDETH/USDUS30NAS100SPX500AUD/USDUSD/CADGER40EUR/USDGBP/USDUSD/JPYXAU/USDBTC/USDETH/USDUS30NAS100SPX500AUD/USDUSD/CADGER40
Why CRTLAB

The reps that build a real edge

Screen time on quality setups is what separates consistent traders from gamblers. CRTLAB gives you years of it in an afternoon.

▶

True bar-by-bar replay

Step forward one candle at a time on real historical data. See the setup form the way it did live — no hindsight, no peeking.

◷

Every timeframe, in sync

Drop from the monthly to the 1-minute and back. Your replay position stays locked across every timeframe.

✎

Mark up the chart

Trendlines, zones, and levels that persist through the replay so you can test a real, repeatable process.

⤓

Journal & export

Log each simulated trade and export your results to spot what's actually working in your strategy.

⟳

Save & resume sessions

Pick up exactly where you left off. Every session syncs to your account across devices.

◎

No install, no data wrangling

It runs in the browser on data we host and clean. Open a tab and you're backtesting in seconds.

See it in action

A backtesting terminal that feels like the real thing

The same chart, the same speed, the same decisions — minus the risk. Build the muscle memory of a repeatable process before it costs you.

  1. 01

    Pick a market & date

    Choose any instrument and drop into any point in history.

  2. 02

    Replay the price action

    Advance bar by bar and take trades exactly as you would live.

  3. 03

    Review & refine

    Journal the outcome, spot the patterns, and sharpen the edge.

XAU/USD · 1H+2.4R
REPLAY
Pricing

Start free. Upgrade when it pays for itself.

One losing trade avoided covers a year of Pro. Cancel any time — or own it for life.

Free

Feel the tool on real price action.

$0forever
Start free
  • ✓NAS100 only (1 instrument)
  • ✓1 month of history
  • ✓Full bar-by-bar replay
  • ✓Basic drawing tools
Most popular

Pro

The whole system — tool, strategy, and course.

$39.99/ month
Go Pro
  • ✓All 8 instruments
  • ✓Full 10-year history
  • ✓All drawing tools & timeframes
  • ✓CRT × Mitigation strategy
  • ✓Full ICT course
  • ✓Unlimited saved sessions
  • ✓Priority support

Lifetime

Pay once. Own it forever.

$299one-time
Get Lifetime
  • ✓Everything in Pro
  • ✓One-time payment — no subscription
  • ✓All future updates
  • ✓Founding-member badge

Prices in USD. Taxes calculated at checkout. Secure payments handled by our merchant of record.

Loved by traders

Reps in. Confidence up.

★★★★★
“I did more focused screen time in a weekend on CRTLAB than in three months of live charts. My entries got noticeably tighter.”
Marcus D. · Futures day trader
★★★★★
“The bar-by-bar replay is the closest thing to live I've used. No peeking ahead means the reps actually count.”
Priya S. · FX swing trader
★★★★★
“Being able to save a session and come back to it is huge. I run a setup a hundred times before I ever trade it live.”
Jordan L. · Prop firm challenger
FAQ

Questions, answered

What is a trading backtester?+

A backtester lets you replay real historical price data bar by bar and take simulated trades, so you can test and refine a strategy on years of market history without risking real money.

Do I need to install anything?+

No. CRTLAB runs entirely in your browser on data we host and clean. Create an account and you're backtesting in seconds — on any device.

Which markets and timeframes are covered?+

Forex majors, indices, metals, and major crypto — 40+ instruments across 8 timeframes from the 1-minute to the monthly, all synced to your replay position.

Is the free plan really free?+

Yes. The free plan gives you one pair with recent history, forever, no card required. Upgrade to Starter, Pro, or Lifetime whenever you want more markets and history.

Can I cancel any time?+

Absolutely. Subscriptions are month-to-month and you can cancel from your account in one click. Lifetime is a one-time purchase with no recurring charge.

Your next 1,000 trades can be practice.

Start free on one pair today. Add markets, history, and the course whenever you're ready.

Create your free account →Compare plans
CRTLAB

Backtest smarter. Trade with conviction.

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Not financial advice. Backtesting does not guarantee future results.