Depends on how many people were involved in the trading. To pick a contrived example, suppose the only two transactions on the ledger were me buying 1e-9 dogeco

Depends on how many people were involved in the trading. To pick a contrived example, suppose the only two transactions on the ledger were me buying 1e-9 dogecoins for $1, then you and me swapping forty dogecoins. That situation would match the circumstances you described. Kinda what this article is about actually.