According to @WatcherGuru, BTC closed New Year’s Eve 2025 at $87,580, down 8.4% versus 2024’s $95,650 and up 105.9% versus 2023’s $42,560 (source: Watcher.Guru). Across 2013–2025, BTC rose from $755 to $87,580, a 116.0x increase implying ~48.6% CAGR based on those year-end closes (source: Watcher.Guru). Using the provided year-end prices, BTC logged gains in 8 of 12 years (67% hit rate), with average up-year return of +284% and average down-year decline of -51.5% (source: Watcher.Guru). The largest year-end drawdowns were 2018 at -73.6% and 2022 at -66.3% from the prior year-end, while the strongest gains were 2017 at +1367%, 2020 at +302.9%, and 2024 at +124.7% (source: Watcher.Guru). Key year-end levels from the dataset for trade planning are $95,650 (2024), $87,580 (2025), $42,560 (2023), and $16,595 (2022) to frame resistance, support, and risk zones (source: Watcher.Guru).