The odds-on Kamala Harris becoming the next president have improved sharply from 50/1 (2 percent) to 25/1 (3.8 percent) among one bookmaker after the former vice president announced on Wednesday that she won't be running to be the next governor of California in 2026.

Former Vice President Kamala Harris announced a book, titled "107 Days," on Thursday, following news she will not run for governor of California in 2026.

Former Vice President Kamala Harris has announced a new memoir called "107 Days," detailing her historic Democratic presidential run last year.