$BTC Bitcoin (BTC) is traded against various assets in crypto markets:

1. **BTC/USD** – Direct fiat pairing, common on exchanges like Coinbase and Kraken.

2. **BTC/USDT** – Most popular stablecoin pair, offering liquidity and stability.

3. **BTC/ETH** – Crypto-to-crypto pair, useful for altcoin trading strategies.

4. **BTC Futures & Perpetuals** – Leveraged derivatives on platforms like Binance and Bybit.

Key factors when trading BTC pairs:

- **Liquidity** – Higher volume reduces slippage.

- **Volatility** – BTC pairs can swing sharply.

- **Fees & Spreads** – Compare costs across exchanges.

Traders use BTC pairs for arbitrage, hedging, and speculation, making it central to crypto markets.