According to @AltcoinDaily, Bitcoin and Ethereum hit new 2026 highs on Jan 5, marking fresh year-to-date peaks for BTC and ETH and a breakout over prior 2026 levels, source: Altcoin Daily on X, Jan 5, 2026. New annual or YTD highs are widely used by technical traders as momentum and trend-following signals known as the 52-week high effect, source: Investopedia. The post did not include specific price levels, so exact intraday highs require verification with exchange data, source: Altcoin Daily on X, Jan 5, 2026.