Altcoin Breakout refers to a market phase where alternative cryptocurrencies, like Ethereum (ETH), Solana (SOL), and XRP, show strong upward price movement beyond established resistance levels. This typically happens when Bitcoin stabilizes or moves sideways, allowing capital to flow into smaller-cap assets. Traders look for signs like rising trading volume and clear chart patterns before confirming a breakout. During an altcoin breakout, market sentiment shifts toward higher-risk, higher-reward assets, often driven by fresh project developments, ecosystem upgrades, or broader bullish momentum in the crypto market.