The S&P 500 X Sentiment Index


The S&P 500 X Sentiment Index is a product of S&P Dow Jones Indices LLC. S&P® and S&P 500® are registered trademarks of Standard & Poor’s Financial Services LLC; X® is a registered trademark of X Corp. The Index is meant for informational purposes only and is not a recommendation to buy or sell any securities. Any investment entails a risk of loss. Please consult your financial advisor before investing.

Giving your voice the value it deserves.

Consider your feelings validated


Introducing the S&P 500 X Sentiment Index, a brand new stock market index powered by X data and layered with model-driven analytics rules from S&P Dow Jones Indices, the world's foremost provider of best-in-class indices. This innovative index analyzes $cashtag posts, which include stock tickers such as $TWTR, to track sentiment, for an index designed to reflect how the world’s largest focus group is talking about the top publicly-traded companies (as represented by the S&P 500).

Because it’s your voice, your index 

There’s value in the conversation. We know it. You know it. And now there’s an index that knows it, too. The S&P 500 X Sentiment Index tracks select companies that are posted about by the people on X, using sentiment data derived from posts as an input to build an index that weights the most positively-talked about companies in the S&P 500 Index.

Tap into what’s happening

The finance community on X is growing, featuring real-time news and conversation around investing, trading, personal finance, hedge funds, venture capital, and more, from finance professionals, influencers, and enthusiasts. 

So you want to know about the talk on the market?

Catch up on the complete story behind S&P Dow Jones Indices’ innovative use of X data and the finance conversation on X. 

Dig into the latest data

S&P Dow Jones Indices is the largest global resource for essential index-based concepts, data, and research. Home to iconic financial market indicators such as the S&P 500®, and now the S&P 500® X Sentiment Index, S&P Dow Jones Indices has been defining the way investors measure the markets since Charles Dow invented the very first index in 1884.


Take the next step

Begin using the X API v2 in seconds with Essential access. Essential offers free, instant access to the X API.