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Best Backtesting Platforms & Software in 2026

Strategy backtesting and quantitative analysis platforms for systematic traders.

6 tools compared · Updated March 2026

#1
NinjaTrader

Award-winning trading platform for futures and forex traders

Try NinjaTrader

Best for: Futures traders and algorithmic developers who want deep customization and strategy automation

Free plan available Windows
  • Advanced charting with 100+ built-in indicators
  • NinjaScript (C#) for custom indicators and strategies
  • Strategy backtesting with historical data
  • Automated strategy execution (paid plans)
#2
Portfolio123

Quantitative stock screening and portfolio backtesting for systematic investors

Try Portfolio123

Best for: Systematic investors who want quantitative factor-based portfolio construction without coding

Free plan available Web
  • 460+ fundamental, technical, and sentiment screening metrics
  • 64 pre-built multi-factor ranking systems
  • 20+ year portfolio backtesting with FactSet point-in-time data
  • 76+ pre-built stock screeners
#3
QuantConnect

Open-source algorithmic trading platform with cloud backtesting and 400TB+ built-in data

Try QuantConnect

Best for: Quant developers and Python/C# programmers who want to build, backtest, and deploy trading algorithms on institutional-grade infrastructure

Free plan available Web, Mac, Windows, Linux
  • Open-source LEAN engine (17,900 GitHub stars, Apache 2.0)
  • Python 3.11 and C# 12 strategy development
  • 400TB+ historical data — equities, options, futures, forex, crypto
  • Event-driven backtesting with realistic fees, slippage, and spreads
#4
Thinkorswim

Professional-grade trading platform by Charles Schwab, built by traders for traders

Try Thinkorswim

Best for: Active traders and options traders who want professional-grade tools without paying platform fees

Free plan available Web, Mac, Windows, Linux, iOS, Android
  • 400+ technical indicators and advanced charting with 10+ chart types
  • ThinkScript custom indicator and strategy scripting language with 500+ pre-built studies
  • Options chain analysis with real-time Greeks and probability visualization
  • paperMoney simulator with up to $100,000 in virtual funds
#5
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
#6
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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