Why is BNB expensive?

Could you elaborate on the factors that contribute to the high valuation of BNB, the native cryptocurrency of the Binance exchange? Given its widespread popularity and use cases, what specific aspects of the tokenomics and ecosystem make BNB a sought-after asset? Is it the low transaction fees, the staking rewards, or the numerous utility functions within the Binance ecosystem that drive its demand and price? Furthermore, how does Binance's position as a leading cryptocurrency exchange and its expanding ecosystem impact the value of BNB?