iPhone Trade-In Values Slide Ahead of New Model Launch

Ahead of the announcement of the iPhone 18 Pro, ‌iPhone 18 Pro‌ Max, and first foldable iPhone next month, a new study from trade-in comparison site SellCell finds that most iPhones lose a considerable amount of trade-in value in the 10-day window between Apple's announcement and the actual product launch.
Looking at the launch of the iPhone 15, iPhone 16, and iPhone 17 lineups, SellCell found that trade-in values dropped for 117 of 156 models tracked, or 75% of the total, between anno