$BTC Bitcoin is considered the "digital gold"; however, its performance against other currency pairs reveals much.
For example, the performance of BTC against USDT shows the market's interest in stability or risk.
When BTC/USDT rises, we know there is a risk appetite. Conversely, a decline often means a shift in the market towards caution.
BTC/ETH is an interesting pair to compare in terms of returns and innovation.