1 (64 fluid ounce) bottle chilled white cranberry-peach juice (such as Ocean Spray® White Cran-Peach)
1 liter chilled lemon-lime soda (such as Sprite®)
2 (11.5 ounce) cans peach juice, chilled, or to taste
2 (10 ounce) packages frozen peach slices
1 (12 ounce) package frozen raspberries (optional)
Mix white cranberry juice, lemon-lime soda, and peach juice together in a punch bowl. Float as many peach slices and raspberries in the punch as desired. Place remaining fruit back in freezer and add as needed.