// unless you're actively regularly trading in the millions.
A lot of people/organizations bet in the millions.
Sure, and the SEC investigation will probably figure out if this is one of a thousand daily trades that got placed by the beneficiary, or if he opened a trading account last week, and this is the first time he's buying options.
Even worse than opening a trading account last week: they've got a looooong history of doing nothing but the most boring buy-and-hold-index-funds investing you can imagine, until they suddenly bought 20k in lottery tickets that just happened to hit their one-in-a-billion chance to pay out.
That was the point of the post you originally replied to...
Or you're a subscriber to /r/wallstreetbets
It’s a pretty common occurrence in r/wallstreetbets