Analyst Ratings are more of a short-term indicator that gives you a feel for how outside industry experts are weighing in on a stock. Analyst Ratings typically are tied into analysis of Earnings Estimates and Earnings Estimates Revisions whereas Opinions calculate the Buy/Sell rating using a variety of short-medium and long-term technical indicators. You can learn more about Analyst Ratings through the links below:

Ratings:
https://www.barchart.com/stocks/quotes/IBM/analyst-ratings

Use our Screeners for Ratings:

https://www.barchart.com/stocks/stocks-screener?viewName=filter_view

In addition to Ratings, I've provided some helpful links below explaining our Trading Signals along with comprehensive educational pages for the studies used. Depending on your trading strategy, every Signal offers a slightly different perspective; by familiarizing yourself with Opinions, you'll have a more comprehensive understanding how signals function, thus allowing you a more informed view on the market. I hope this sheds some light on Signals, and if you have any additional questions, feel free to let me know.

Barchart Trading Signals:
https://www.barchart.com/education/new-trading-signals
Opinions:
https://www.barchart.com/stocks/quotes/IBM/opinion

Barchart Premier:

https://www.barchart.com/my/barchart-premier

Regards,