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Trading Strategy Engine — AI-Driven Financial Research Platform

An end-to-end, AI-powered quantitative trading platform that ingests multi-source market data, runs NLP sentiment analysis, generates trading hypotheses via LLM agents, converts them to structured algorithmic strategies, backtests them, and explains their performance — all surfaced through a live React dashboard.

Architecture

┌──────────────────────────────────────────────────────────────────┐
│                        DATA SOURCES                              │
│  Yahoo Finance  │  NewsAPI  │  FRED API  │  Reddit (optional)    │
└────────┬────────┴─────┬─────┴─────┬──────┴──────┬───────────────┘
         │              │           │             │
         ▼              ▼           ▼             ▼
┌──────────────────────────────────────────────────────────────────┐
│  PHASE 1 — DATA INGESTION                                        │
│  stock_collector │ news_collector │ macro_collector │ social      │
└──────────────────────────┬───────────────────────────────────────┘
                           ▼
┌──────────────────────────────────────────────────────────────────┐
│  PHASE 2 — NLP INTELLIGENCE                                      │
│  FinBERT sentiment │ Event detection │ Sector aggregation        │
└──────────────────────────┬───────────────────────────────────────┘
                           ▼
┌──────────────────────────────────────────────────────────────────┐
│  PHASE 3 — AI RESEARCH AGENT                                     │
│  Signal summary → LLM hypothesis generation → Rank → Filter     │
└──────────────────────────┬───────────────────────────────────────┘
                           ▼
┌──────────────────────────────────────────────────────────────────┐
│  PHASE 4 — STRATEGY DISCOVERY ENGINE                             │
│  Template match → LLM strategy build → Validate → Rank          │
└──────────────────────────┬───────────────────────────────────────┘
                           ▼
┌──────────────────────────────────────────────────────────────────┐
│  PHASE 5 — AUTOMATED BACKTESTING ENGINE                          │
│  Signal interpreter → Trade executor → Portfolio sim → Metrics  │
└──────────────────────────┬───────────────────────────────────────┘
                           ▼
┌──────────────────────────────────────────────────────────────────┐
│  PHASE 6 — EXPLAINABLE AI DECISION ENGINE                        │
│  Feature builder → SHAP analysis → Signal attribution → Text    │
└──────────────────────────┬───────────────────────────────────────┘
                           ▼
      ┌────────────────────────────────────┐
      │  DuckDB · 12 tables · auto-created │
      └────────────────────────────────────┘
                           ▼
┌──────────────────────────────────────────────────────────────────┐
│  DASHBOARD                                                       │
│  FastAPI backend (port 8000) + React/Vite frontend (port 5173)  │
│  Panels: Sentiment · Intelligence · Hypotheses · Strategies      │
│          Backtest Performance · Explainable AI · Trade Sim      │
└──────────────────────────────────────────────────────────────────┘

Quick Start

1. Prerequisites

  • Python 3.10+
  • Node.js 18+

2. Install Python Dependencies

cd market_research_ai
pip install -r requirements.txt

3. Configure API Keys

Edit the .env file (already included as a template):

Key Required Where to get it
NEWSAPI_KEY ✅ newsapi.org/register
FRED_API_KEY ✅ fred.stlouisfed.org
OPENAI_API_KEY ✅ platform.openai.com/api-keys
REDDIT_CLIENT_ID ⬜ reddit.com/prefs/apps (optional)
REDDIT_CLIENT_SECRET ⬜ Same as above (optional)

Note: Reddit credentials are optional — social sentiment will be skipped. Yahoo Finance requires no key.

4. Run the Data Pipeline

# Full cycle (ingest → NLP → research → strategy → backtest)
python -m pipeline.data_pipeline --once

# Run individual phases
python -m pipeline.data_pipeline --research   # Phase 3: LLM hypothesis generation
python -m pipeline.data_pipeline --strategy   # Phase 4: LLM strategy discovery
python -m pipeline.data_pipeline --backtest   # Phase 5: Backtesting engine

# After backtesting, generate AI explanations
python generate_explanations.py

# Continuous scheduled mode
python -m pipeline.data_pipeline --schedule

5. Start the Dashboard

Terminal 1 — Backend API:

python -m uvicorn dashboard.backend.app:app --host 0.0.0.0 --port 8000 --reload

Terminal 2 — Frontend:

cd dashboard/frontend
npm install
npm run dev

Open http://localhost:5173 in your browser.

Project Structure

market_research_ai/
├── .env                          # API keys (git-ignored)
├── requirements.txt              # Python dependencies
├── generate_explanations.py      # Run Explainability Engine on backtests
│
├── data_ingestion/               # Phase 1 — data collectors
│   ├── stock_collector.py        # Yahoo Finance OHLCV
│   ├── news_collector.py         # NewsAPI headlines
│   ├── macro_collector.py        # FRED macro indicators
│   └── social_collector.py      # Reddit posts (optional)
│
├── sentiment_engine/             # Phase 2 — NLP intelligence
│   ├── finbert_model.py          # FinBERT inference wrapper
│   ├── news_sentiment.py         # Per-article sentiment scoring
│   ├── reddit_sentiment.py       # Reddit engagement sentiment
│   ├── event_detection.py        # Earnings / M&A / policy events
│   └── sector_aggregation.py    # Sector-level signal aggregation
│
├── research_agent/               # Phase 3 — AI research agent
│   ├── agent.py                  # Orchestrator
│   ├── signal_summarizer.py      # Market snapshot builder
│   ├── hypothesis_generator.py   # OpenAI LLM hypothesis generation
│   ├── hypothesis_ranker.py      # Confidence ranking
│   ├── hypothesis_filter.py      # Quality filtering
│   └── prompt_templates.py       # LLM prompt templates
│
├── strategy_engine/              # Phase 4 — strategy discovery
│   ├── __init__.py               # StrategyDiscoveryEngine orchestrator
│   ├── strategy_templates.py     # 5 canonical strategy archetypes
│   ├── strategy_builder.py       # LLM hypothesis → strategy JSON
│   ├── strategy_parser.py        # JSON parsing & normalisation
│   ├── strategy_validator.py     # Rule-based quality gate
│   └── strategy_ranker.py        # 5-dimension scoring & ranking
│
├── backtesting_engine/           # Phase 5 — automated backtesting
│   ├── __init__.py               # BacktestEngine orchestrator
│   ├── backtest_runner.py        # Per-strategy backtest coordination
│   ├── strategy_interpreter.py   # JSON conditions → signal functions
│   ├── trade_executor.py         # Signal → trades
│   ├── portfolio_simulator.py    # Position sizing, P&L simulation
│   └── performance_metrics.py   # Sharpe, drawdown, win rate, etc.
│
├── explainability_engine/        # Phase 6 — explainable AI
│   ├── strategy_explainer.py     # End-to-end explanation pipeline
│   ├── feature_builder.py        # Feature matrix from trades & prices
│   ├── shap_analyzer.py          # SHAP value computation
│   ├── signal_attribution.py     # Signal → dominant factor mapping
│   └── explanation_ranker.py    # Confidence scoring
│
├── dashboard/
│   ├── backend/
│   │   ├── app.py                # FastAPI application & route definitions
│   │   └── db_queries.py         # Dashboard-specific DB queries
│   └── frontend/                 # React + Vite + TypeScript
│       └── src/
│           ├── App.tsx            # Main dashboard layout
│           ├── api/client.ts      # API fetch functions
│           ├── types.ts           # Shared TypeScript types
│           └── components/panels/
│               ├── MarketSentimentMonitor.tsx
│               ├── MarketIntelligencePanel.tsx
│               ├── ResearchHypothesesPanel.tsx
│               ├── StrategyDiscoveryPanel.tsx
│               ├── BacktestPerformance.tsx
│               ├── ExplainableAIInsights.tsx
│               └── TradeSimulationViewer.tsx
│
├── database/
│   ├── schema.sql                # DuckDB table definitions (all 6 phases)
│   └── db_manager.py             # DB connection + insert/query helpers
│
├── pipeline/
│   └── data_pipeline.py          # Orchestration + scheduling + CLI
│
├── utils/
│   ├── config.py                 # Centralised config (reads .env)
│   └── logger.py                 # Rotating file + console logger
│
├── data/                         # DuckDB file (auto-created, git-ignored)
└── logs/                         # Log files (auto-created, git-ignored)

Database Schema

Table Phase Description
stock_prices 1 Daily OHLCV data from Yahoo Finance
news_articles 1 Financial news headlines from NewsAPI
macro_indicators 1 FRED macro time-series (CPI, GDP, Fed Funds, etc.)
social_sentiment 1 Reddit posts (optional)
news_sentiment 2 FinBERT sentiment scores per article
social_sentiment_scores 2 Engagement-weighted Reddit sentiment
sector_sentiment 2 Aggregated sector-level sentiment signals
market_events 2 Detected earnings / M&A / policy events
research_hypotheses 3 LLM-generated trading hypotheses
trading_strategies 4 Structured, backtestable algorithmic strategies
backtest_results 5 Strategy performance metrics (Sharpe, drawdown, etc.)
trade_logs 5 Individual simulated trade records
strategy_performance 5 Composite strategy performance evaluation
strategy_explanations 6 SHAP values, signal attribution, and narrative text

Dashboard Panels

Panel Data Source What it shows
Market Sentiment Monitor news_sentiment, sector_sentiment FinBERT sentiment trends by sector
Market Intelligence macro_indicators, market_events FRED macro indicators and event feed
Research Hypotheses research_hypotheses LLM-generated hypothesis cards with confidence scores
Strategy Discovery trading_strategies Active strategies with entry/exit rules
Backtest Performance backtest_results Sharpe ratio, max drawdown, win rate, return charts
Explainable AI Insights strategy_explanations SHAP feature importance and narrative explanation
Trade Simulation Viewer trade_logs Individual trades plotted against the price chart

API Endpoints

All served from http://localhost:8000/api

Endpoint Description
GET /sentiment Sector sentiment data
GET /macro Macro indicators + market events
GET /hypotheses Research hypotheses list
GET /strategies Trading strategies list
GET /backtests Backtest results
GET /explanations Strategy explanations
GET /trade-simulation/{id} Trades + price data for a strategy

Strategy Templates

Template Trigger Use Case
Momentum Sustained price move + positive sentiment Trend following
Mean Reversion Overbought/oversold + divergence Contrarian plays
Event-Driven Market events (earnings, M&A) Catalyst trading
Macro Regime Rate / CPI / GDP shifts Macro-driven trades
Sentiment Divergence News vs price disconnect Sentiment alpha

Key Technologies

Layer Technology
Data ingestion yfinance, requests (NewsAPI, FRED, Reddit)
NLP / Sentiment transformers (FinBERT), torch
LLM agents openai (GPT-3.5-turbo / GPT-4o)
Backtesting Pure Python — no external backtest library
Explainability shap, scikit-learn, pandas
Database duckdb
Backend API fastapi, uvicorn
Frontend React 18, Vite, TypeScript, Recharts, Tailwind CSS
Scheduling schedule (Python)

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