FinStreetX Sentiment Index (FSX-SI) — Live Market Mood

The FSX-SI is a composite real-time market sentiment score combining four inputs: AI-analyzed news sentiment, GARCH volatility penalty, probability-of-profit, and live futures market data. Updated every 10 minutes during market hours.

FSX-SI Components

  • News Sentiment: LLM scores of headlines across S&P 500 stocks, aggregated into a directional signal.
  • Volatility Penalty: High GARCH-modeled volatility reduces the sentiment score.
  • Probability of Profit: Monte Carlo simulation outputs aggregated across tracked assets.
  • Futures Data: ES, NQ, YM, and RTY futures direction and momentum.