$BTC Key Metrics to Watch**
- **BTC Liquidity** (High volume = better execution).
- **Spread** (Difference between buy/sell price).
- **Order Book Depth** (Large orders can move the market).
- **BTC Liquidity** (High volume = better execution).
- **Spread** (Difference between buy/sell price).
- **Order Book Depth** (Large orders can move the market).