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Average Ratings 0 Ratings

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ease
features
design
support

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Write a Review

Description

The Portfolio Performance tool is a free and open-source application that helps users assess the overall performance of their investment portfolios across multiple accounts. It allows individuals to meticulously track their entire transaction history, documenting various activities such as purchases, sales, fees, and taxes. The tool can retrieve historical quotes from a variety of platforms including Yahoo Finance, Finnhub.io, Quandl, and AlphaVantage, and it also has the capability to scrape data from HTML pages or JSON files. Data management is facilitated through XML storage, allowing for easy exports to formats like CSV or JSON for further analysis. Users can adjust their investment portfolios according to a custom asset allocation strategy and manage foreign currency accounts by utilizing exchange rates provided by the European Central Bank (ECB). Additionally, the application supports data imports from both CSV files and PDF documents, while generating comprehensive reports that feature detailed asset statements and performance metrics. This functionality makes it a versatile tool for anyone looking to optimize their investment strategies.

Description

Redstone is an online platform designed for portfolio analysis and investment research, catering to self-directed investors, analysts, and individuals interested in portfolio theory. It offers a variety of return and risk metrics for approximately 2,900 U.S. stocks and 1,200 ETFs, such as Sharpe ratio, maximum drawdown, volatility, and correlation coefficients. Users have the ability to screen securities, make comparisons between tickers, create and share portfolios, assess their allocations, and conduct backtests using historical data and benchmarks. Public ticker information and comparative analyses can be accessed without the need for an account. Both free and premium subscription options provide additional features, including increased portfolio capacity, advanced optimization tools, and the ability to maintain private portfolios and watchlists. Additionally, a free, read-only Model Context Protocol (MCP) server allows compatible AI systems to fetch metrics, screen or compare securities, analyze portfolios, and perform backtesting. The platform updates its data daily following the closure of the U.S. market. It is important to note that Redstone is intended solely for educational and informational purposes and should not be interpreted as investment advice. This distinction is crucial for users seeking to enhance their understanding of investments while leveraging the tools provided by Redstone.

API Access

Has API No 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

No images available

Integrations

Alpha Vantage Yes 
Claude No 
Finnhub Yes 
Google Sheets Yes 
HTML Yes 
JSON Yes 
Microsoft Excel Yes 
Model Context Protocol (MCP) No 
Quandl Yes 
XML Yes 
Yahoo Finance Yes 

Integrations

Alpha Vantage No 
Claude Yes 
Finnhub No 
Google Sheets No 
HTML No 
JSON No 
Microsoft Excel No 
Model Context Protocol (MCP) Yes 
Quandl No 
XML No 
Yahoo Finance No 

Pricing Details

Free
Free Trial No 
Free Version Yes 

Pricing Details

$0/month
Starter is $0/month and includes 5 portfolios, 10 assets per portfolio, and 3 daily optimizations. Plus is $15/month with 25 portfolios, 25 assets per portfolio, and 50 daily optimizations. Pro is $50/month with unlimited portfolio and asset capacity and daily optimizations. Annual billing is advertised with a 17% saving.
Free Trial No 
Free Version Yes 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App Yes 
iPad App Yes 
Android App Yes 
Windows Yes 
Mac Yes 
Linux Yes 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours Yes 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

Portfolio Performance

Country

Germany

Website

www.portfolio-performance.info/

Vendor Details

Company Name

Redstone Markets

Founded

2025

Country

United States

Website

redstonemarkets.com

Product Features

Product Features

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