The study tested the effectiveness of Return On Equity and Return On Assets signals on LQ45 issuers, like banks and manufacturing companies. For banks, Return On Equity didn't impact stock prices, but Return On Assets did. Both signals together decreased stock prices, with Return On Assets being more effective. For manufacturing companies, Return On Assets didn't significantly affect stock prices, while Return On Equity did. Both signals together impacted stock prices, with Return On Equity being more influential. This research offers new insights into the importance of Return On Equity and Return On Assets in analyzing companies.