Maybe a naive question: those transactions are traceable. But we assume this admin will not turn itself in. However, such transactions in other nations would be investigated. Are there cases of similar transactions before the US presidents tweets in i.e. Europe?

So, who is paying the bill here? I am assuming the insider trading itself is zero-sum (its obviously different if what's happing happens only to allow insider trading) and while some (like passive investors like me that buy every month) win a bit, others lose a bit, someone loses big on the futures market. Is that the high frequency and quant traders? Because I assume, someone must be really mad? Especially since, and I again 'assume', that there must be easier and less public ways to bribe the admin