if the hacker lives in Eastern Europe opening a stock options account is not possible, unless he has connection with an American who can make the trades and cash out. no need to try to fool the SEC , which has billions of dollars of resources behind it. Also not all exchanges are regulated, and even regulated exchanges may not be able to trace the source. The money can be split and sent to many exchanges and mixing services over a long period. It is not safe. elon musk twitter being hacked would trigger extra scrutiny of all tesla stock option trades. The SEC has extremely advanced tools for detecting this stuff.