FSS
Financial Sentiment Signals
Backtest Console · v2.0
71.4% Accuracy
36 Articles/day
5 Sources

AI-powered sentiment analysis. Backtest trading signals, track prediction accuracy, and uncover actionable market insights.

Built with AWS Lambda · SageMaker · DynamoDB
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Backtest Report

General Tech Sentiment

Market-wide · loading…
1-day horizon
Trading Days
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General Accuracy Over Time
Sentiment Distribution
Source Reliability
Volume Impact
Daily General Sentiment Timeline
Ticker Analysis

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Trading Days
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Ticker Accuracy
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Combined Accuracy
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Strength Corr.
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Avg Confidence
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Total Signals
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Ticker Accuracy Over Time
Confidence Calibration
Strength vs. Price Move
Signal Agreement
Daily Signal Timeline
Portfolio

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Analysis

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Information

About

Financial Sentiment Signal Detector
About This App
A full-stack, serverless financial sentiment analysis system that fine-tunes a LLaMA 3.1 8B model on AWS SageMaker using QLoRA, then deploys it to classify financial news articles in real time. Every trading day, an automated pipeline ingests articles from Marketaux, runs them through the fine-tuned model to determine sentiment, and feeds the results into a three-agent LangGraph pipeline powered by Amazon Bedrock — where each agent independently analyzes sentiment, evaluates market context, and generates a final BUY / SELL / HOLD signal with a confidence score. Signals are then backtested against actual closing prices from Yahoo Finance to measure prediction accuracy over time.
Tech Stack
Built with Node.js, Python, Serverless Framework v4, and a fully serverless AWS architecture including Lambda, DynamoDB, SageMaker, Bedrock, API Gateway, EventBridge, S3, CloudFront, Cognito, and SNS. The multi-agent signal pipeline uses LangChain and LangGraph. The dashboard is built with vanilla JavaScript and Chart.js.
Source Code
This project is open source.
View on GitHub
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