Why I Built a No-Code Backtesting Engine (And What I Learned About Anti-Repainting)

📰 Dev.to · Matthieu David

Learn how to build a no-code backtesting engine and understand anti-repainting in trading to improve your trading strategy and minimize losses

intermediate Published 2 Apr 2026
Action Steps
  1. Build a no-code backtesting engine using visual interfaces and APIs
  2. Run backtests on historical data to evaluate trading strategies
  3. Configure and optimize trading parameters to minimize losses
  4. Test and validate trading strategies using walk-forward optimization
  5. Apply anti-repainting techniques to prevent false positives and improve strategy performance
Who Needs to Know This

Traders, developers, and data analysts can benefit from this knowledge to create more efficient and effective trading strategies

Key Insight

💡 Proper backtesting and anti-repainting techniques can save traders from significant losses by evaluating and optimizing trading strategies before going live

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🚀 Build a no-code backtesting engine and master anti-repainting to boost your trading strategy! 📈

Key Takeaways

Learn how to build a no-code backtesting engine and understand anti-repainting in trading to improve your trading strategy and minimize losses

Full Article

Title: Why I Built a No-Code Backtesting Engine (And What I Learned About Anti-Repainting)

URL Source: https://dev.to/matthieu_david_9bfe2b8e4f/why-i-built-a-no-code-backtesting-engine-and-what-i-learned-about-anti-repainting-3n9b

Published Time: 2026-04-02T14:20:43Z

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Posted on Apr 2

# Why I Built a No-Code Backtesting Engine (And What I Learned About Anti-Repainting)

[#buildinpublic](https://dev.to/t/buildinpublic)[#saas](https://dev.to/t/saas)

I'm a trader and full-stack dev. I spent 5 years trading Forex, got funded on FTMO, lost it all when market conditions changed. The one thing that could have saved me? Proper backtesting before going live.

The problem is, backtesting tools suck for non-coders. Trading
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