TradingAlgo

Quantitative Research Lab for Portfolio Construction and Market Analysis

Research, Validation and Portfolio Design for Quantitative Investors

A quantitative framework designed to transform market data into actionable research, trading tools, market intelligence and educational content.

Explore the Framework
TradeStation EasyLanguage for Algorithmic Trading book cover

TradeStation EasyLanguage for Algorithmic Trading

Discover real-world institutional applications across equities, futures and forex markets.

Learn to build, test and validate systematic trading tools with TradeStation EasyLanguage.

Connect classic technical trading with risk management, portfolio thinking and machine learning.

View on Amazon
Gandalf Symposium 2026 event preview

Gandalf Symposium 2026

A professional event by Gandalf Project dedicated to trading, financial engineering, market research and systematic investing.

View Symposium

Latest Research

TradingAlgo Mosaic Weekly Market View

A weekly algorithmic market review that turns hundreds of stocks into a focused leadership map, highlighting the securities that best represent the current market phase.

Mosaic combines trend quality, stability and portfolio contribution to help investors move from single-stock screening to coordinated portfolio construction.

View USA Report How to Read the Report
First page of the TradingAlgo Mosaic USA weekly report
First page of the USA weekly report: allocation, portfolio metrics and current positions.
TradingAlgo Mosaic NVDA dashboard example
Example dashboard: trend, stability and status signals on an individual stock.
What's Going On with China and India

Also from Latest Research: What's Going On with China and India?

A comparative analysis of two of the world's most important emerging markets through Trend Score and Sharpe Ratio.

Why China is struggling while India is losing momentum, and what investors should watch next.

Read on Medium

Mosaic Trading Framework

1. Research & Development

Quantitative research, market regime analysis, asset allocation, ETF research, options analytics, relative strength, volatility studies and AI applications.

2. Trading Tools Development

Development of scanners, dashboards, reports and trading models using Python, Google Colab, TradeStation, EasyLanguage, TradingView and AI-assisted workflows.

3. Coaching

Training and mentoring for traders, developers and professionals interested in systematic trading, portfolio construction, EasyLanguage and AI for trading.

4. Publishing

Books, articles, research notes, white papers, market reports and educational content focused on algorithmic trading and quantitative market analysis, including published work in Technical Analysis of Stocks & Commodities.

5. TradingAlgo Mosaic - Algorithmic Market View

Every week TradingAlgo Mosaic analyzes hundreds of stocks and identifies the five securities that best represent the current leadership of a market.

The framework combines Trend, Stability, and Portfolio Contribution analysis to build focused portfolios whose components are selected to work together, not just to look good individually.

What is TradingAlgo Mosaic? How to Read the Weekly Report View USA Report View Europe Report View Italy Report

Like a mosaic, every market signal is only meaningful when viewed as part of the whole.

Publications

TradeStation EasyLanguage for Algorithmic Trading book cover

Packt Book

TradeStation EasyLanguage for Algorithmic Trading is the foundation of the TradingAlgo publishing library: a practical guide to systematic strategy design, EasyLanguage development, backtesting, risk management and machine-learning extensions.

View on Amazon

Stocks & Commodities Articles

A professional archive of published research articles covering technical indicators, volume analysis, market cycles, pair trading, AI, machine learning and portfolio management.

Medium Articles

Ongoing market notes and research essays on TradingAlgo Mosaic, prompt trading, market regimes, technical analysis, institutional strategy design and systematic portfolio thinking.

Stocks & Commodities Articles

Technical Analysis For Portfolio Management article image

Technical Analysis For Portfolio Management

An application of technical analysis to portfolio construction and capital allocation, shifting the focus from single-trade signals to portfolio-level regime awareness, ranking, and risk management.

Enhanced Technical Indicator Analysis Using Machine Learning article image

Enhanced Technical Indicator Analysis Using Machine Learning

A machine-learning workflow for evaluating technical indicators beyond static rules, using data-driven classification and validation to identify when an indicator adds useful market information.

Artificial Intelligence Applied To Technical Trading article image

Artificial Intelligence Applied To Technical Trading

An exploration of how artificial intelligence can support technical trading research, from pattern interpretation to systematic decision support and model-assisted strategy development.

System Development Using Artificial Intelligence article image

System Development Using Artificial Intelligence

A practical look at using AI in the trading-system development process, combining market hypotheses, rules, testing, and optimization into a more structured research workflow.

Portfolio Strategy Based On Accumulation Distribution article image

Portfolio Strategy Based On Accumulation/Distribution

A portfolio strategy built around accumulation/distribution concepts, using volume-informed pressure to rank securities and guide allocation decisions across a basket of assets.

Build Your Own Technical Rating article image

Build Your Own Technical Rating

A framework for transforming multiple technical indicators into a rating model, making discretionary chart evidence easier to compare, score, and apply systematically.

Profiting From Monthly Trading Cycles article image

Profiting From Monthly Trading Cycles

An investigation of recurring market cycles and how monthly patterns can be measured, validated, and translated into timing rules for trading and research.

Daytrading With Night Volume article image

Daytrading With Night Volume

A study of overnight volume and its potential information value for intraday trading, focusing on how activity outside regular hours can shape next-session expectations.

Detecting Swings article image

Detecting Swings

A method-oriented article on identifying market swings and turning points, with emphasis on filtering price movement into cleaner structures for analysis and trading decisions.

Playing With Numbers article image

Playing With Numbers

A comparative strategy study that tests different rule-based approaches, showing how performance evaluation can clarify whether a trading idea improves on simple benchmarks.

Pair Trading With A Twist article image

Pair Trading With A Twist

A variation on pair trading that examines relative behavior between securities, using spread logic and market-neutral thinking to search for opportunities when directional methods are less effective.

Analyze Volume With S&P 500 Sectors article image

Analyze Volume With S&P 500 Sectors

A sector-level volume analysis framework for reading market participation, rotation, and institutional pressure across S&P 500 groups rather than focusing only on the broad index.

Volume Analysis With The SPY article image

Volume Analysis With The SPY

An introduction to volume-based analysis on SPY, connecting price levels, trading activity, and supply-demand behavior to identify areas of market interest.

Medium Articles

Dow Jones technical analysis article image

What Technical Analysis Is Telling Us About The Dow Jones Today

A current-market reading of the Dow Jones through trend structure, technical evidence and risk context.

Read on Medium
TradingAlgo Mosaic India article image

TradingAlgo Mosaic Applied To India

A regional application of the Mosaic framework to the Nifty, combining trend, momentum and relative-strength evidence.

Read Article
FTSE MIB trend stability article image

FTSE MIB Under The Microscope

An Italian-market study focused on trend quality, stability and relative strength within a systematic analysis process.

Read Article
Technical analysis for portfolio management Medium article image

Technical Analysis For Portfolio Management

A concise essay on using technical analysis as a portfolio-management discipline rather than only as a trading-signal toolkit.

Read Article
Prompting the Markets article image

Prompting The Markets

A research note on using AI prompts as part of a disciplined market-analysis workflow, while keeping validation and context central.

Read on Medium
How traders can start prompt trading article image

How Traders Can Start Prompt Trading

A practical introduction to prompt-based trading research, connecting trader questions, data workflows and repeatable analysis.

Read on Medium

Coaching

EasyLanguage Modulo Base

A foundational EasyLanguage course for traders who want to move from discretionary ideas to coded indicators, rules and systematic workflows.

Open Course

EasyLanguage Crash Course - Beginner Level

A beginner-level crash course focused on the practical first steps of TradeStation EasyLanguage programming for algorithmic trading research.

Open Course

Partnerships

Building Together

TradingAlgo is open to partnerships with quant researchers, asset managers, hedge funds, educators, technology providers, software platforms and financial data companies.

Collaborative Projects

The objective is to build practical tools, research frameworks and market intelligence solutions for systematic trading and portfolio management.

Gandalf Project website preview

Gandalf Project

Financial engineering, systematic trading education and applied research for traders and developers.

Visit Website
Work At Wall Street website preview

Work At Wall Street

Market education, analysis and trading culture for investors interested in financial markets and professional trading workflows.

Visit Website

About

Domenico D'Errico portrait

Domenico D'Errico

Domenico D'Errico, after holding various managerial roles within multinational companies, has been working as a quant developer for algorithmic hedge funds for the past 15 years. He is a CSTA (Certified SIAT Technical Analyst), an EasyLanguage specialist, a two-time winner of the 2011 TradeStation Developers Contest, author of TradeStation EasyLanguage for Algorithmic Trading, and contributor to Technical Analysis of Stocks & Commodities. He is also a member of the Gandalf Project R&D Team, an Italy-based research initiative focused on the application of artificial intelligence to financial markets.

Disclaimer

This report is provided for research and educational purposes only and does not constitute investment advice, portfolio management, solicitation, or an offer to buy or sell any financial instrument. TradingAlgo Mosaic is a quantitative research framework designed to support investment analysis and decision-making. All information, rankings, simulations, and backtests are provided for informational purposes only. Past performance is not indicative of future results. Investing in financial markets involves risk, including the possible loss of capital. Investors are solely responsible for their investment decisions and should independently assess the suitability of any investment strategy.