Strategy · CRT
CRT Strategy Backtester — Test Candle Range Theory, Free
Candle Range Theory is only as good as the reps behind it. Reading about the range, the sweep and the expansion is one thing — watching it play out three hundred times until you can spot it in real time is another. This is how you backtest CRT properly in CRTLAB.
What CRT is, in one paragraph
Candle Range Theory reads price through the range of a single higher-timeframe candle. The core idea: a candle's range sets a zone, price sweeps one side of it to grab liquidity, then reverses and expands toward the other side. Build a range, sweep one side, expand to the other — that rhythm is the whole model. We break the concept down fully in What Is CRT (Candle Range Theory)?
Because those levels come from a candle's range, CRT is rules-based — and anything you can write as an if-this-then-that, you can backtest.
Why backtest CRT?
The sweep-then-expand pattern looks obvious in hindsight and vanishes in real time. Backtesting is what closes that gap: it tells you how often a clean CRT setup actually appears on your pair, what your real win rate is across a few hundred of them, and which sessions and instruments it works best on. You can't feel your way to those numbers — you have to count them.
Testing also builds the conviction to hold a CRT trade through the manipulation leg. The traders who don't panic on the sweep are the ones who've already watched it resolve hundreds of times in replay.
How to backtest CRT in CRTLAB
Drop into real historical price, replay it one candle at a time, and mark the range, the sweep and the expansion yourself — exactly as they form, with no scrolling ahead. Log every setup and review the sample. For the full step-by-step, we wrote it up here: How to Backtest the CRT Strategy.
CRTLAB is built around this workflow — the CRT × Mitigation strategy and full course live inside the product. The free tier lets you replay all eight markets and run real CRT reps on the recent fortnight; Pro unlocks ten years of history and the complete strategy material.
Frequently asked questions
Can I backtest the CRT strategy for free?
Yes. The free tier lets you replay any of the eight markets candle by candle and mark CRT setups yourself, on the most recent two weeks of data — no card. Pro unlocks the full ten-year history and the complete strategy course.
What is the CRT strategy?
Candle Range Theory uses a single candle's range as a zone: price sweeps one edge to grab liquidity, then expands toward the opposite edge. It's a structured, rules-based way to read liquidity and expansion.
Is CRT profitable?
That depends on your rules, your market and your discipline — which is exactly why you backtest it. Testing on hundreds of setups tells you your real win rate and R:R before you risk money, instead of guessing.
Backtest the CRT strategy free — no card needed
Replay real markets and mark the range, sweep and expansion yourself. Start free in 30 seconds.
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