According to @charliebilello, a new X post compiles Bitcoin (BTC) returns since 2010, providing a 15-year performance timeline that traders use to contextualize BTC’s trend and cycle behavior; source: Charlie Bilello on X, Oct 2, 2025. The post offers a historical return reference that market participants can apply when benchmarking risk, sizing positions, and setting drawdown expectations in BTC strategies; source: Charlie Bilello on X, Oct 2, 2025. For trading workflows, the historical series referenced in the post can inform momentum lookbacks, regime identification, and backtesting assumptions for BTC; source: Charlie Bilello on X, Oct 2, 2025.