$BTC BTC pairs refer to trading pairs involving Bitcoin (BTC) and another asset, such as another cryptocurrency or a fiat currency. Here are some examples:

1. *BTC/USD*: Bitcoin vs. US Dollar

2. *BTC/USDT*: Bitcoin vs. Tether (a stablecoin pegged to the US dollar)

3. *BTC/ETH*: Bitcoin vs. Ethereum

These pairs allow traders to exchange Bitcoin for other assets or speculate on price movements between Bitcoin and other currencies. Which specific BTC pair are you interested in?