This has brought new attention to the “4-year cycle” theory, which posits that Bitcoin’s bull and bear markets repeat in a predictable pattern tied to the halving. A Look at Historical PatternsJoao Wedson, CEO of investment analysis firm Alphractal, is focusing on a key number: 548 days. Wedson said this aligns strongly with other fractal and market cycle indicators like fractal cycles and the Max Intersect SMA. Extending his hypothesis to its maximum range, the price peak could occur as late as November 1, 2025. A closer look at Bitcoin’s past cycles shows that each has lasted for about 152 weeks.