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Best Backtesting Platforms & Software in 2026

Strategy backtesting and quantitative analysis platforms for systematic traders.

4 tools compared · Updated March 2026

#1
Portfolio123

Quantitative stock screening and portfolio backtesting for systematic investors

Try Portfolio123

Best for: Systematic investors who want quantitative factor-based portfolio construction

Free plan available Web
  • 460+ fundamental and technical screening factors
  • Multi-factor ranking systems
  • 20+ year portfolio backtesting
  • Model portfolios with auto-rebalancing
#2
QuantConnect

Open-source algorithmic trading platform with cloud backtesting

Try QuantConnect

Best for: Quant developers and programmers who want to build and backtest trading algorithms

Free plan available Web, Mac, Windows, Linux
  • Open-source LEAN engine for algorithmic trading
  • Python and C# strategy development
  • 30+ years of tick-level historical data
  • Cloud backtesting with parallel computing
#3
TradingView

Where the world charts, chats and trades markets

Try TradingView

Best for: Traders who want powerful charting with a social community

Free plan available Web, Mac, Windows, Linux, iOS, Android
  • Advanced charting with 235+ technical indicators
  • Pine Script custom indicator and strategy language
  • Built-in stock screener with fundamental filters
  • Strategy backtesting via Pine Script
#4
TrendSpider

AI-powered automated technical analysis and charting platform

Try TrendSpider

Best for: Active traders who want automated technical analysis

From $89/month Web, iOS, Android
  • AI-automated trendline detection and drawing
  • Multi-timeframe analysis overlays
  • Automated Fibonacci and support/resistance levels
  • Raindrop charts for volume-price analysis

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