$BTC **BTC/USD (Bitcoin vs. US Dollar)** is the most popular crypto trading pair, offering high liquidity and volatility. Traders analyze BTC’s price movements against USD using technical indicators (RSI, MACD, Bollinger Bands) and market sentiment.

**Key Features:**

- High liquidity (easy entry/exit).

- Influenced by macroeconomic factors, regulations, and adoption news.

- Common strategies: swing trading, scalping, and HODLing.

**BTC is also paired with stablecoins (BTC/USDT) and altcoins (BTC/ETH) for arbitrage and diversification.** Due to its dominance, BTC’s price often impacts the broader crypto market. Always use risk management (stop-loss, position sizing) when trading BTC pairs.