[amelius]

My bank somehow isn't selling my transaction data to the highest bidder though.

[dml2135]

Your bank is very likely doing just that. They even send you a notice about it every year.

[Sytten]

You sure about that? Visa/Mastercars certainly are selling at least aggregated data if not more.

[kube-system]

Yes they do, and hedge funds buy it so they have consumer spending data before the rest of the market does.