On the second day of its pre-sale period, the prices of the initial batch of iPhone Duo units available on e-commerce platforms experienced a substantial decline. Data sourced from the Dewu App revealed that as of 7:00 PM on October 17, the average market transaction prices for numerous iPhone Duo versions had all seen a marked decrease compared to their initial levels, with the markup on certain models being significantly curtailed. Take the white 256GB model as an illustration: its average market transaction price plummeted from 21,170 yuan to 18,666 yuan, resulting in the markup shrinking from 5,171 yuan to 2,667 yuan—a reduction of approximately 48%. Similarly, the average transaction price for the black 512GB model tumbled by 3,319 yuan, settling at 21,149 yuan. Given the official price of 17,999 yuan, the markup space narrowed from 6,469 yuan to 3,150 yuan, marking a reduction of over 50%. The average transaction price for the black 1TB version also dropped, by 4,336 yuan, to 25,343 yuan—a decrease of roughly 14.6%—with the markup space contracting from 8,180 yuan to 3,844 yuan. Lastly, the white 1TB version saw its price fall from 28,039 yuan to 26,000 yuan, a decrease of 2,039 yuan.