Best backtesting software for stocks in 2026
A backtest turns “this should work” into a chart — genuinely useful, and quietly dangerous. The best tool is the one that shows you the drawdowns, not just the returns.
The short answer
- Portfolio Visualizer
- if you backtest asset allocations, factor exposures and Monte-Carlo scenarios.
- TradingView
- if you backtest technical strategies and want to script them in Pine.
- Tradune
- if you want a rule-based backtest read next to your actual holdings, optimizer and risk analytics.
Not a ranking and not an award — each line is the need that tool is the right answer for, checked against its own public plans as of October 2026.
How to choose a backtesting software
Drawdowns front and center
The worst peak-to-trough stretch decides whether you’d actually have held the strategy. A backtest that hides it is selling a fantasy.
Honest about curve-fitting
Enough knobs will make any rule look great in-sample. Good tools make it easy to test on data you didn’t tune on.
Realistic costs
Fees and slippage can turn a gross winner into a net loser — the backtest should account for them.
Paired with your real holdings
Backtesting is more useful when it sits next to your actual portfolio and risk analytics.
The options, honestly
No fabricated ratings — just what each tool is good at, so you can match one to your needs.
| Tool | Price | Strongest at | Where it stops |
|---|---|---|---|
| Tradune | Free right now | Rule-based backtests read next to your live holdings, optimizer and risk analytics | No custom scripting language, and less allocation-level factor machinery than Portfolio Visualizer |
| Portfolio Visualizer | Free / $30–$55/mo billed annually | Excellent portfolio backtesting and asset-allocation models | Allocation-level, not a live holdings tracker with P&L |
| TradingView | Free / $12.95+/mo | Best-in-class charts and technical drawing tools | Portfolios are capped by plan (1 to 7, with 20 to 150 holdings each), and its help pages do not state a cost-basis method or offer a tax report |
Tradune’s backtesting surfaces the equity curve and drawdowns — including the stretches a strategy underperformed — right next to your portfolio, optimizer and risk analytics, so an idea is examined in context.
See the featurePortfolio Visualizer
Free / $30–$55/mo billed annuallyPortfolio Visualizer is the go-to for portfolio backtesting, factor analysis, Monte-Carlo simulation and mean-variance optimization — quantitative, allocation-level research.
Best for: allocation-level backtesting, factor and Monte-Carlo research when you don’t need live tracking, screening or signals.
Tradune vs Portfolio VisualizerTradingView
Free / $12.95+/moTradingView is the leading charting and technical-analysis platform, with a huge community, scripting (Pine) and excellent price alerts.
Best for: charting and technical analysis — Tradune complements it rather than replacing it.
Tradune vs TradingViewOptions and pricing reflect public plans as of October 2026 and may have changed — verify on each provider’s site. This is a buying guide, not a ranked review.
Frequently asked
What is the best backtesting software for stocks?
Portfolio Visualizer is excellent for allocation-level backtesting; TradingView (with Pine) for technical strategies. Tradune pairs rule-based backtesting with a live portfolio, optimizer and risk tools in one place.
Does a good backtest mean a strategy will work?
No. A backtest describes the past and can be curve-fit. Read the drawdowns, test on untouched data, and treat it as evidence — not a forecast.
Try Tradune free
Free for everyone right now · no card · nothing to buy. See how your own backtesting software works against your real holdings.
This guide is for educational purposes only and is not investment advice or an endorsement. Third-party names are trademarks of their owners; details reflect public plans as of October 2026. Always verify current features and pricing yourself.