What is the all time high of arbitrum?

Could you please clarify what you mean by "arbitrum"? Are you referring to a specific cryptocurrency, a blockchain protocol, or a financial instrument? If you're asking about the all-time high price of a cryptocurrency named Arbitrum, it's important to note that prices fluctuate constantly in the cryptocurrency market. However, I can't provide an exact all-time high price without accessing real-time market data. It's always recommended to consult reliable sources for the most up-to-date cryptocurrency price information. If you're referring to something else, please provide more context so I can give you an accurate answer.