there are some reasons why the price of BTC is higher than other cryptos and why the price is so high.
1. This is the first cryptocurrency, it has very low price and then growing up having very high price.
2. Many people use and hold this with its limited supply
3. the supply is limited, but the demand of BTC is very high
4. It has very high trading volume
5. It is trusted, worthy, available to use as payment transaction, and more others.