"Emotional swings" refers to sudden and intense changes in a person's feelings or moods, where they can go from happy to sad, angry to calm, or excited to anxious very quickly. Full definition
The results matched with a mathematical model that the researchers had previously created to represent how emotional swings could signal an impending tipping point. (sciencemag.org)
Physical pain and emotional swings left her feeling out of control. (mindbodygreen.com)
I find this spreadsheet one of my best tools to control emotional swings we all feel in working the stock market. (mytradersjournal.com)