Bitcoin 4-Year Cycle Questioned as 30% Drop Tests $85,000–$90,000 Range

Bitcoin has fallen over 30% since early October, shifting sentiment from optimism to caution as some market participants view the move as a possible peak. A new thesis argues the classic four-year pattern may be giving way to a structurally supported supercycle. Price action remains weak below 90,000 dollars, with 85,000–86,000 highlighted as key support.