Is this your app?

Claim Backtested Frontier to manage its page, add your badge and see your traffic — free, and it stays free.

Cycling through all six. Tap any point to stop.

Measured on six things

A portfolio optimization tool using historical data for risk-return balance, designed for self-directed investors.

Accessibility

Minimal support for screen readers, no alt-text for graphs, and limited language options

About this app

Backtested Frontier is a straightforward portfolio optimization tool that leverages historical backtesting data to help investors make informed decisions about asset allocation. It's particularly appealing to those in the DIY investment community, such as Bogleheads, as it simplifies complex financial concepts without requiring advanced knowledge. The tool generates efficient frontiers based on user inputs like asset classes, timeframes, and contribution schedules, offering a data-backed approach to balancing risk and returns. However, it's important to note that it's purely informational and doesn't guarantee future results. With a minimalist interface, it focuses on functionality over flash, though it could benefit from modern UX improvements and better accessibility features. Overall, it's a valuable resource for investors who prefer a hands-on, no-frills approach to portfolio management.

Key features

1Minimalist interface with clean input fields for straightforward data entry for finance-savvy users
2Quick calculations with minimal lag, efficient for most investment scenarios and backtesting
3High demand and strong niche appeal to DIY investors, Bogleheads, and FIRE communities

Target customer profile

Drawn from the product itself, not from a survey.

Demographic

Self-directed investors

Pain points

Overwhelmed by complex portfolio tools; lack confidence in risk-return balance

Primary needs

User-friendly interface, historical data insights, customizable scenarios

Demographic

FIRE (Financial Independence) enthusiasts

Pain points

Need long-term strategies without advisor fees

Primary needs

Contribution schedule modeling, low-risk asset allocation

Demographic

Bogleheads community members

Pain points

Seamless integration with trusted data sources

Primary needs

Familiarity with Simba’s backtesting spreadsheet, community-vetted inputs

Scout Review

Written by AI from measured evidence, scored out of 100.

Backtested Frontier serves a specific niche of self-directed investors who want historical data insights without financial advisor fees. Its strength lies in simplifying complex portfolio optimization concepts using trusted backtesting data, though it requires users to already understand terms like 'efficient frontier' and asset allocation. The tool excels at providing data-backed scenarios for long-term planning but remains strictly informational with appropriate disclaimers about past performance not guaranteeing future results.

Measure by measure

Usability

Straightforward for finance-savvy users but beginners may struggle without guided tutorials

Design

Minimalist interface with clean input fields but lacks modern interactive elements and visual appeal

Speed

Quick calculations for most scenarios with minimal lag during testing

Security

No explicit encryption or privacy policy details, though no personal financial data is required

Accessibility

Minimal support for screen readers, no alt-text for graphs, and limited language options

Growth

High demand for DIY finance tools with strong niche appeal to Bogleheads and FIRE communities

Improvement areas

Modernize design with interactive elements, dynamic charts, and improved visual appeal
Enhance accessibility with screen reader support, alt-text for graphs, and adjustable text sizes
Implement basic security measures like SSL encryption and a clear privacy policy to build trust

Design & Usability

Backtested Frontier's interface embraces a minimalist, no-frills approach that prioritizes function over form. The clean input fields for assets, timeframes, and contributions make data entry straightforward for those familiar with portfolio terminology. However, the design feels dated compared to modern financial tools, lacking interactive elements like drag-and-drop allocation adjustments. The monochromatic color scheme reduces distractions but misses opportunities to visually highlight critical risk-return metrics. Navigation is logical but assumes prior knowledge, leaving beginners potentially confused when interpreting the efficient frontier visualizations without guided tutorials or tooltips.

Speed & Security

Performance-wise, Backtested Frontier delivers snappy calculations for most investment scenarios, with complex multi-asset simulations taking only slightly longer. The tool's lightweight nature ensures minimal lag during testing. On the security front, concerning gaps exist - the website provides no explicit information about encryption methods, data protection protocols, or comprehensive privacy policies. This oversight is somewhat mitigated by the fact that the tool doesn't require sensitive personal financial information like bank connections or social security numbers, operating purely on user-inputted hypothetical data.

Accessibility & Growth

Accessibility features are notably sparse, with no screen reader optimization, missing alt-text for graphical elements, and fixed font sizes that can't be adjusted. The tool is exclusively available in English and assumes a baseline understanding of financial concepts, creating barriers for novice investors or those with visual impairments. Despite these limitations, Backtested Frontier has significant growth potential given the rising demand for DIY investment tools, particularly among Bogleheads and FIRE movement enthusiasts who appreciate its data-driven approach and integration with trusted community resources like Simba's backtesting spreadsheet.

Conclusion

If you're a DIY investor comfortable with financial terminology and want a no-nonsense tool for testing portfolio strategies against historical data, Backtested Frontier is worth exploring. It's particularly valuable for Bogleheads and FIRE enthusiasts who prefer community-vetted data sources over flashy interfaces. Just remember it's an educational compass rather than a guaranteed roadmap to riches. For hands-on investors ready to experiment with risk-return tradeoffs, this tool provides a solid starting point.

Suggestions for improvement

To improve, Backtested Frontier should implement basic security measures like SSL encryption and a clear privacy policy to build user trust.
Adding interactive tutorials would greatly enhance usability for beginners.
The visual presentation needs modernization with dynamic charts, color-coded risk indicators, and responsive design elements.
Accessibility improvements should include screen reader compatibility, alt-text for all graphical elements, and adjustable text sizes.
Expanding beyond Simba's spreadsheet data to include more asset classes would increase its versatility and appeal to broader investor audiences.

How we score

Alternatives comparison

Named competitors, point by point. Nobody paid to appear here or to be left out.

	Backtested Frontier	Portfolio Visualizer	ValueInvesting.io Efficient Frontier Calculator
Learning Curve	Moderate - requires basic finance knowledge	Steep - advanced features require expertise	Moderate - focused but specialized
Asset Types Supported	Limited to Simba's spreadsheet data	Extensive - wide variety of asset types	Moderate - focused on standard investments
Contribution Modeling	Yes - schedule modeling available	Yes - advanced contribution features	No - lacks contribution scheduling
Data Sources	Simba's backtesting spreadsheet (Bogleheads)	Multiple professional data sources	Proprietary and standard financial data
Visualization Quality	Basic - functional but dated charts	Advanced - interactive and detailed visuals	Good - focused on efficient frontier display